ferret¹

 

name for a domesticated polecat, Mustela putorius, common in the Old World. It has been used for centuries to hunt rats, mice, and rabbits. Domestic ferrets are found in many color types including albinos, brown, and black. The name is also applied to a related wild species, the North American, or black-footed, ferret, M. nigripes, which inhabits the Great Plains and is now extremely rare. Its range nearly coincides with that of the prairie dogs, which constitute most of its diet; it is often found in prairie dog burrows. The severe reduction of the prairie dog population by ranchers is probably partially responsible for the rarity of the black-footed ferret, although it was apparently not numerous when the West was first settled by Europeans. Ferrets are classified in the phylum Chordata, subphylum Vertebrata, class Mammalia, order Carnivora, family Mustelidae (weasel family).

Domestic Ferret
A domestic ferret
Conservation status
Domesticated
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Carnivora Family: Mustelidae Genus: Mustela Species: M. putorius Subspecies: M. p. furo
Trinomial name
Mustela putorius furo (Linnaeus, 1758)

In general use, a ferret is a domestic ferret (Mustela putorius furo). Domestic ferrets typically have brown, black, white, or mixed fur, have an average length of approximately 20 inches (51 cm) including a 5 inch (13 cm) tail, weigh about 2 pounds (1 kg),^[1] and have an ordinary lifespan of 7 to 10 years.^[2][3][4]

Several other small, elongated carnivorous mammals belonging to the family Mustelidae (weasels) also have the word "ferret" in their common names, including the endangered Black-footed ferret. The ferret is a very close relative of the polecat, but it is as yet unclear whether it is a domesticated form of the European polecat, the Steppe polecat, or some hybrid of the two.

The history of the ferret's domestication is uncertain, like that of most other domestic animals. It is very likely that ferrets have been domesticated for at least 2,500 years, but it is not certain for what purpose the ferret was originally domesticated. It is known though that the Romans used ferrets for hunting rabbits. They are still used for that purpose in some parts of the world today, but increasingly they are being kept simply as pets.

Being so closely related to polecats, ferrets are quite easily able to hybridize with them, and this has occasionally resulted in feral colonies of ferret polecat hybrids that have been perceived to have caused damage to native fauna, perhaps most notably in New Zealand. As a result, some parts of the world have imposed restrictions on the keeping of ferrets.

History

Like most domestic animals, the original reason for ferret's domestication by human beings is uncertain but it may have involved hunting. It was most likely domesticated from the European polecat (Mustela putorius), though it is also possible that ferrets are descendants of the Steppe polecat (Mustela eversmannii), or some hybridization thereof. Analysis of mitochondrial DNA suggests that ferrets were domesticated around 2,500 years ago, although what appear to be ferret remains have been dated to 1500 BC.^[5] It has been claimed that the ancient Egyptians were the first to domesticate ferrets, but as no mummified remains of a ferret have yet been found, or any hieroglyph of a ferret, that idea seems unlikely.^[6]

The ancient Greeks seem to have been familiar with ferrets. Ferrets, or at least ferret-like animals, are mentioned in a play written by Aristophanes, The Acharnians, in 425 BC. Whether this was actually a reference to ferrets or to polecats is uncertain, as the Greek word ictis is translated by some authorities as ferret and by others as polecat.^[7]

It is known that the Romans used ferrets for hunting rabbits. The name "ferret" is derived from the Latin furittus, meaning "little thief," a likely reference to the common ferret penchant for secreting away small items.^[8]

Colonies of feral ferrets have established themselves in areas where there is no competition from similarly sized predators, such as in the Shetland Islands. Where ferrets coexist with polecats, hybridization is common. It has been claimed that New Zealand has the world's largest feral population of ferret-polecat hybrids.^[9] In 1877, farmers in New Zealand demanded that ferrets be introduced into the country to control the rabbit population, which was also introduced by humans. Five ferrets were imported in 1879, and in 1882-1883, 32 shipments of ferrets were made from London, totaling 1,217 animals. Only 678 landed, and 198 were sent from Melbourne, Australia. On the voyage, the ferrets were mated with the European polecat, creating a number of hybrids that were capable of surviving in the wild. In 1884 and 1886, close to 4,000 ferrets and ferret hybrids, 3,099 weasels and 137 stoats were turned loose.^[10] Concern was raised that these animals would eventually prey on indigenous wildlife once rabbit populations dropped, and this is exactly what happened to New Zealand bird species which previously had no mammalian predators.

Ferreting

Main article: Rabbiting

For hundreds of years, the main use of ferrets was for hunting, or ferreting. With their long, lean build and curious nature, ferrets are very well equipped for getting down holes and chasing rodents and rabbits out of their burrows. Caesar Augustus sent ferrets (named "viverrae" by Plinius) to the Balearic Islands to control the rabbit plagues in 6 BC. They are still used for hunting in some countries, including the United Kingdom and Australia, where rabbits are considered a plague species. However, the practice is illegal in several countries where it is feared that ferreting could unbalance the ecology.

In England, in 1390, a law was enacted restricting the use of ferrets for hunting to those of substantial means:

“

...it is ordained that no manner of layman which hath not lands to the value of forty shillings a year (the equivalent of about £1,000 in today's money[11]) shall from henceforth keep any greyhound or other dog to hunt, nor shall he use ferrets, nets, heys, harepipes nor cords, nor other engines for to take or destroy deer, hares, nor conies, nor other gentlemen's game, under pain of twelve months' imprisonment.[12]

”

Ferrets were first introduced into the New World in the 17th century, and were used extensively from 1860 until the start of World War II to protect grain stores in the American West.

Ferrets as pets

In the United States, the popularity of ferrets may have been influenced by Dr. Wendy Winstead, a veterinarian and former folk singer who sold ferrets to a number of celebrities and made many television appearances with her own ferrets beginning in the 1970s.^{[citation needed]} A government study by the California State Bird and Mammal Conservation Program indicated that by 1996, approximately 800,000 or so domestic ferrets were likely being kept as pets in the United States.^[13]

Activity and nature

Ferrets spend 14 to 18 hours a day sleeping and are naturally crepuscular, meaning they are most active during dawn and dusk. Though ferrets sleep more than most domesticated animals, they are very active when awake and will seek to be released from their cage to get exercise and satisfy their abundant curiosity daily.

Ferrets are energetic, curious, interested in their surroundings, and often actively solicit play with humans, having a repertoire of behaviors both endearing and difficult for some human owners. Play for a ferret will often involve hide-and-seek games, or some form of predator/prey game in which either the human attempts to catch the ferret or the ferret to catch the human. They also have a strong nesting instinct and will repeatedly carry small objects to hidden locations. It is difficult to predict what objects ferrets will attempt to hoard, with owners reporting play toys, socks, bags of onions, keys, calculators, silverware, sponges, toilet paper rolls, textbooks, video game controllers, etc.

Ferrets are easily entertained and do not require pet toys; however, most kitten toys work well with ferrets. Ferrets love playing tug of war with toys and stuffed animals. Ferrets will also tear open packages and other containers to see what is inside or explore the inside of the package. Ferrets are interested in holes, pipes and other small enclosed areas, and seem compelled to explore holes.

When ferrets are excited, they may perform a route commonly referred to as the weasel war dance, a frenzied series of sideways hops. This is often accompanied by a soft clucking noise, commonly referred to as dooking. It is often an invitation to play or an expression of happy excitement and is not threatening.

The ferret's posture may become rigid with wide open jaws, momentary eye contact followed by thrashing or turning of the head from side to side, arching the back, piloerection, and hopping to the side or backwards while facing the intended playmate. This is often accompanied by an excited panting sound that may sound like a hiss. Often, this behavior will break into a game of chase, pounce and wrestle. Ferrets in war dances are very accident prone, often hopping into obstacles or tripping over their own feet. ^[14][15][16]

Ferrets tend to nip as kits. Nipping is the act of biting in a playful manner representative of mock fighting and sparring; young ferrets are also more prone to chewing and teething, and have a tendency to bite harder. Older ferrets tend to chew far less frequently and, when trained correctly, almost never nip a human hand or only do so very gently. However, ferrets that have been abused or are in extreme pain may bite a human, and are capable of strong bites which break through the skin.

Ferrets, like cats, can use a litter box with training, though are not always completely litter box trainable.

Diet

Ferrets are obligate carnivores and the natural diet of their wild ancestors consisted of whole small prey, i.e., meat, organs, bones, skin, feathers, and fur. Some ferret owners feed a meat-based diet consisting of whole prey like mice and rabbits along with raw meat like chicken, beef, veal, kangaroo and wallaby. This is preferred in Europe and Australia, and becoming increasingly popular in the United States due to concern over high carbohydrate levels in some processed ferret foods.^[17]

Alternatively, there are many commercial ferret food products. Kitten foods can also be used, so long as they provide the high protein and fat content required by the ferret's metabolism. Most adult cat foods and kitten foods are unsuitable for ferrets, however, because of their low protein content and high fiber. Ideally, a ferret food should contain a minimum of 32% meat based protein and 18% fat.^[18] Low-quality pet foods often contain grain-based proteins, which ferrets cannot properly digest.

Ferrets may have a fondness for sweets like raisins, bananas, peanut butter, and pieces of cereal. The high sugar content of such treats has been linked to ferret insulinoma and other diseases. Veterinarians recommend not feeding raisins and the like to ferrets at all. Also, like many other carnivores, ferrets gradually lose the ability to digest lactose after they are weaned. As a result, lactose-free milk is to be preferred.

Dangers to ferrets

Ferret curiosity often exceeds common sense and ferrets are good at getting into holes in walls, doors, cupboards, or in or behind household appliances such as clothes dryers and dishwashers, where they can be injured or killed by drowning, electrical wiring, fans, and other household items. Many enjoy chewing items made of soft rubber, foam, or sponge, which present the risk of intestinal blockage and death if ingested. Serious and sometimes fatal injuries have resulted from ferrets chewing on electrical cords. Screen doors can be damaged by a ferret's claws, and dryer vents often become escape routes to the outdoors.

Unlike dogs and cats, many ferrets display little homing instinct and do not thrive as strays.

Recliners and fold-out sofas are a leading cause of accidental death in ferrets.^[19] Ferrets will often climb inside the springs and can be injured or killed once the chair is put into a reclined position.

For these reasons, owners usually "ferret-proof" their home, the task of carefully going through each room, removing items dangerous to ferrets and covering over any holes or potential escape routes. As ferrets can open improperly latched cupboards or doors by rolling over and clawing at the bottom edge, childproof latches are often used and owners keep cleaning products in high, out-of-reach places. However, ferrets can typically fit through any hole as small as the size of their head, making some childproof latches ineffective.

Some people might prefer to house their pets outdoors in sheds, and not indoors. This is becoming more popular, as owners realize the photoperiod effects to the ferret being kept in light after the sun goes down.^{[citation needed]}

When a ferret is outdoors, an owners must take additional care during mosquito and tick season, as ferrets are susceptible to the diseases carried by these parasites. Ticks can attach themselves and begin to draw blood. When the tick gets full, it regurgitates some blood and tick saliva back into the ferret, which is how Lyme and other diseases can be transmitted. Ordinarily, the regurgitation happens between five to 24 hours after the tick attaches. Early removal of ticks using proper methods to avoid tick regurgitation, and prevention when in environments where encountering ticks is essential. Additionally, mosquitoes may carry heart worms and the West Nile virus. Fleas can cause extreme skin irritation and can be intermediate hosts for tapeworms, one of which may kill a ferret because of their small size. Similarly, the venom of a bee, wasp or spider is much more serious for a ferret than for a larger mammal, and ferrets can be regarded as prey by hawks, and by large snakes.

Ferrets are fearless to the point of foolishness and should not be allowed to wander. Whenever they are outside, they should be closely supervised and preferably kept on a harness leash designed for ferrets such as an H-shaped harness. Their curious nature also leads them to place themselves in situations where they will confront and try to play with larger animals outdoors that may be dangerous to the ferret. Ferrets have been known to play well with household cats and non-aggressive dogs, however, great care must be taken when introducing ferrets to terriers and other breeds with instincts for catching ferret-sized prey. Ferrets may also attack pet rabbits, birds, rodents, chinchillas, and small reptiles which likely comprised the prey of their wild ancestors.

Ferrets and children

Ferrets can make good pets for children. However, like all other domesticated animals, they should not be allowed unsupervised near infants or very young children. There have been rare cases where ferrets have severely injured babies but in nearly all cases there are the same reasons: neglect, abuse, or roughhousing that the ferret perceived as an attack and retaliated out of self defense. In the particular case of infants, young ferrets are attracted to the smell of milk on the baby's breath. ^[20] Given that young children and ferrets can both be excitable and prone to rough play, interaction between ferrets and young children must always be closely supervised for the protection of both. However, the danger is often overstated. By comparison, dogs account for 800,000 bites annually^[21] that require medical attention in the United States and 20 deaths per year.^[22]

Other uses of ferrets

Ferrets have been used to run wires and cables through large conduits. Event organizers in London used ferrets to run TV and sound cables for both the wedding of Charles, Prince of Wales to Lady Diana Spencer, and for the "Party in the Park" concert held in Greenwich Park on Millennium Eve.^[23] One ferret, Freddie, was even registered as an electrician's assistant with the New Zealand Electrical Workers Union.^[24]

Because they share many anatomical and physiological features with humans, ferrets are extensively used as experimental subjects in biomedical research, in fields such as virology, reproductive physiology, anatomy, endocrinology and neuroscience.

Ferret biology and health concerns

Ferrets do not require frequent bathing, which may remove natural oils in the ferrets coat that prevent dry skin. Unlike cats, however, they are not adverse to water. Ferrets also need their nails clipped and ears cleaned on a regular basis, and usually shed twice a year in the spring and fall. A laxative is sometimes administered, to help any ingested fur pass more easily through the digestive tract.

Ferret bedding should be washed or changed regularly, and the litter box cleaned frequently, which significantly lessens any unpleasant odors.

Most veterinarians recommend an annual health checkup. Ferrets often hide symptoms of illness very well, while any unusual behavior is considered good cause for a medical consultation. As ferrets have high metabolisms and cancers can progress at a fast rate, early detection is critical for successful treatment.

Like many other carnivores, ferrets have scent glands near their anuses, the secretions from which are used in scent marking. It has been reported that ferrets can recognize individuals from these anal gland secretions, as well as the sex of unfamiliar individuals.^[25] Ferrets may also use urine marking for sex and individual recognitions.^[26]

Like skunks, ferrets can release their anal gland secretions when startled or scared, but the smell dissipates rapidly. Most pet ferrets in the US are sold de-scented, with their anal glands removed. In the UK, many consider de-scenting an unnecessary mutilation. In Australia and the UK, the general opinion is that the animal does not need to be de-scented.

Males, if not neutered, are extremely musky. It is considered preferable to delay neutering until sexual maturity has been reached, at approximately 6 months old, after the full descent of the testicles. Neutering the male will reduce the smell to almost nothing. The same applies for females, but spaying them is also important for their own health. Unless they are going to be used breeding purposes, female ferrets will go into extended heat and an unbred female without medical intervention can die of aplastic anemia.

Many domestic ferrets are known to suffer from several distinct health problems. Among the most common are cancers affecting the adrenal glands, pancreas, and lymphatic system. Certain colours of ferret may also carry a genetic defect known as Waardenburg syndrome .

Adrenal disease

Adrenal disease, a growth of the adrenal glands that can be either hyperplasia or cancer, is most often diagnosed by signs like unusual hair loss, increased aggression, difficulty urinating or defecating, or agitation when urinating, and (in the case of females) an enlarged vulva. Even if the growth is benign, it can still cause a hormonal imbalance which can have devastating effects on the ferret's health.

Treatment options include surgery to excise the affected glands, melatonin implants, which treat the symptoms but not the disease itself, and/or hormone therapy. The causes of adrenal disease are as yet uncertain, but speculated triggers include unnatural light cycles, diets based around processed ferret foods, and prepuberty neutering. It has also been suggested that there may be a hereditary component to adrenal disease.^[27]

Adrenal disease is usually detected during the spring or fall. This is because adrenal disease affects the hormones that make the fur grow, so when ferrets with adrenal disease shed their winter coat they simply don't grow it back because of the disease. The hair loss pattern is very specific for adrenal disease: It begins at the base of the tail and then continues up the ferret's back.

Insulinoma

Ferrets are also known to suffer from insulinoma, a cancer of the pancreas. The growth of cancerous nodules on the lobes of the pancreas sometimes, but not always, leads to an increase in the production of insulin, which regulates the rate at which the ferret's body metabolizes blood glucose. Too much insulin will cause blood sugar to drop, resulting in lethargy, seizures, and ultimately death. Symptoms of insulinoma include episodes of lethargy, drooling, pawing and/or foaming at the mouth, staring "blankly" into space, and seizures.

Like adrenal cancer, the exact cause of insulinoma is unknown. It is speculated that the diets of domestic ferrets are too far removed from the natural diets of their polecat ancestors, and include too much sugar or simple carbohydrates.

Treatment for insulinoma may include surgical excision of the cancerous lobes, pharmaceutical treatment with steroids that suppress the production of insulin, supplemental changes in diet (most often poultry-based baby food), or a combination thereof. Unfortunately, the growth of the tumors cannot be completely stopped, and the ferret will eventually suffer a reoccurrence of symptoms.

Lymphoma

Lymphoma/lymphosarcoma is the most common malignancy in ferrets. Ferret lymphosarcoma occurs in two forms -- juvenile lymphosarcoma, a fast-growing type that affects ferrets younger than two years, and adult lymphosarcoma, a slower growing form that affects ferrets four to seven years old.

In juvenile ferret lymphosarcoma, large, immature lymphocytes (lymphoblasts) rapidly invade the thymus and/or the organs of the abdominal cavity, particularly the liver and spleen. In adult ferret lymphosarcoma, the lymph nodes in the limbs and abdominal cavity become swollen early on due to invasion by small, mature lymphocytes. Invasion of organs, such as the liver, kidney, lungs, and spleen, occurs later on, and the disease may be far advanced before symptoms are noticeable.

As in humans, ferret lymphosarcoma can be treated surgically, with radiation therapy, chemotherapy or a combination thereof. The long-term prognosis is rarely bright, however, and this treatment is intended to improve quality of life with the disease.

Viral diseases

Epizootic catarrhal enteritis (ECE)

ECE, a viral disease that first appeared in the northeastern US in 1994, is an inflammation of the mucous membranes in the intestine. The disease manifests itself as severe diarrhea (often of a bright green color), loss of appetite, and severe weight loss. The virus can be passed via fluids and indirectly between humans. Although it was often fatal when first discovered, ECE is less of a threat nowadays with the right supportive care which usually includes hospitalization with intravenous fluids. The virus is especially threatening to older ferrets and requires immediate attention.

Aleutian disease virus (ADV)

Aleutian Disease Virus (ADV) is a parvovirus discovered among mink in the Aleutian Islands in the early 20th century. In ferrets, the virus affects the immune system (causing it to produce non-neutralizing antibodies) and many internal organs, particularly the kidneys. There is no cure or vaccine for the disease, and ferrets may carry the virus for months or years without any external symptoms. As a result, some ferret organizations and shelters recommend that owners test their pets for the virus regularly, separating them from other ferrets if they test positive.

Canine distemper

Canine distemper (CD) is an extremely contagious virus that is almost always fatal. Being strict indoor pets does not necessarily protect ferrets, as owners may bring the virus home on their clothes or their shoes. The only protection against the virus is vaccination, but that is not without controversy as there have been reports, particularly from the USA, of ferrets going into anaphylactic shock after being vaccinated against CD.

Waardenburg-like coloring

Ferrets with a white stripe on their face or a fully white head, primarily blazes, badgers, and pandas, almost certainly carry a congenital defect which shares some similarities to Waardenburg syndrome. This causes, among other things, a cranial deformation in the womb which broadens the skull, causing the white face markings but also partial or total deafness. It is estimated as many as 75% of ferrets with these Waardenburg-like colorings are deaf. Beyond that, the cranial deformation also causes a higher instance of stillborn ferret kits, and occasionally cleft palates. Because of this, many breeders will not breed Waardenburg-patterned ferrets.

Terminology and coloring

Male intact ferrets are called hobs; female intact ferrets are jills. A spayed female is a sprite, and a neutered male is a gib. Ferrets under one year old are known as kits. A group of ferrets is known as a business.

Ferrets come in a variety of coat colors and patterns. The ones recognized by the American Ferret Association are as follows:^[29]

Colors: Albino Black Black Sable Champagne Chocolate Cinnamon Dark-eyed White Sable

Color concentrations: Standards Roans Point (Siamese) Solids

Markings: Blaze Panda Mitt

White ferrets were favored in the Middle Ages for the ease in seeing them in thick undergrowth. Leonardo's painting Lady with an Ermine is likely mislabeled; the animal is probably a ferret, not a stoat, for which "ermine" is an alternative name (the latter strictly applying only to the animal in its white winter coat). Similarly, the "Ermine portrait of Queen Elizabeth the First" shows her with her pet ferret, who has been decorated with painted-on heraldic ermine spots.

Ferrets in literature, media, and trivia

• The Greek playwright Aristophanes made reference to ferrets in his satire The Acharneans written around the year 425 BC. "What a happy man he’ll be that marries you and begets a set of ferrets as good as you at farting in the grey dawn!".
• The main character in the manga series Peach Fuzz is a ferret named Peach who has delusions of being a princess.
• The title character of the short story Sredni Vashtar by Edwardian satirist Saki is a "polecat" clandestinely kept by a young boy, who is liberated when the animal he worships as a god kills his overbearing guardian.
• The children's book Zucchini by Barbara Dana is about a boy and his pet ferret. However, the author gets a number of basic ferret facts wrong, claiming that they are vegetarian rodents.
• The Seventh Doctor Sylvester mccoy got his acting start as Sylvester McCoy, the Human Bomb, a stage act that consisted of stuffing live ferrets down his trousers.
• In the film The Big Lebowski, Lebowski is attacked in the bathroom by a "Marmot" which is really a ferret.
• In the film Kindergarten Cop, John Kimble (played by Arnold Schwarzenegger) owns a pet ferret, which becomes the mascot of his kindergarten class and saves his life by biting the main antagonist near the end of the film.
• In the film Starship Troopers, Colonel Carl Jenkins (played by Neil Patrick Harris) owns a pet ferret, which he mischievously tells (via Telepathy) to go and find a treat up his mother's leg.
• Richard Bach, author of Jonathan Livingston Seagull, has written five books starring ferrets, the Ferret Chronicles series.
• In the 2004 romantic comedy Along Came Polly, Jennifer Aniston's character, Polly, owns a blind ferret who often runs head-first into stationary objects, to great comic effect. The ferret is featured in the promotional material for the film.
• The film and TV series The Beastmaster has two ferrets which appear as major characters. The series' protagonist usually kept them in a small pouch attached to his belt.
• In the fourth Harry Potter book and film, Harry Potter and the Goblet of Fire, the character Draco Malfoy is turned into an albino ferret.
• The BBC children's television magazine program Xchange featured the puppet Vinnie, a mischievous ferret.
• HTV Wales has a long-running investigation series called The Ferret.
• Ferrets are the obvious suspects in the mystery novel "Nothing to Fear but Ferrets" by Linda O. Johnston.
• Budweiser Beer has used a fictitious ferret in a series of radio commercials.
• Bill Owen's character Compo in the BBC Series Last of The Summer Wine (1973) had two ferrets which caused an uproar at a funeral in one episode.
• Japanese Media: Ferrets have appeared in the manga Ask The Stars for Help ( 困った時には星に聞け! ) by Miyuki Abe ( あべ 美幸 ) and in the anime series Nanoha ( なのは ) - "In a failed attempt to seal a seed properly, he winds up on Earth in the form of a ferret." The character Yūno Scrya has an animal form as a ferret.
• The popular webcomic, Sluggy Freelance has a main character named Kiki who is a ferret.
• A ferret called Fungo Squiggly is one of the supporting characters in the Get Fuzzy comic strip by Darby Conley.
• There are numerous ferrets in the Redwall series by Brian Jacques.
• Paris Hilton once owned a ferret. She walked the red carpet with it many times, and was publicly scrutinized for taking the ferret, as well as several other animals, to social events.
• On Tucker Carlson Live, Rudy Giuliani tells a man who called in asking why he banned ferrets in New York City that "The excessive concern that you have for ferrets is a sickness that you should examine with a therapist."
• In the cartoon series The Littles, Dr. Hunter had a ferret which he often used to try to capture the Littles.
• In a commercial for Diet Mountain Dew, a ferret walks through the woods with a hockey mask and a chainsaw, chasing two teens.
• The 1st Battalion of the British Armed Forces, the Yorkshire Regiment, keeps two ferrets, Imphal and Quebec, as its unofficial mascots, named after the battalion's battle honors.^[30]
• In the manga and anime Strawberry Marshmallow (苺ましまろ, Ichigo Mashimaro) by Barasui, the character Matsuri Sakuragi owns a pet ferret named John.
• In the manga Ai Yori Aoshi by Kou Fumizuki, Miyabi Kagurazaki acts as the main caretaker of an explorative albino ferret named Uzume.
• The children's book 'Poggin The Polecat' by Nick Cooper is a collection of short stories featuring the eponymous creature.

Regulation on ferrets as pets

Australia

It is illegal to keep ferrets as pets in Queensland or the Northern Territory; in the ACT and Victoria a license is required.

Iceland

Selling, distributing, breeding and keeping ferrets is illegal in Iceland.

New Zealand

It has been illegal to sell, distribute or breed ferrets in New Zealand since 2002.

Portugal

It is illegal to keep ferrets as pets in Portugal. Ferrets can only be used for hunting purposes and can only be kept with a government permit.

United States

Ferrets were once banned in many US states, but most of these laws were rescinded in the 1980s and 90s as they became popular pets. Ferrets are still illegal in California under Fish and Game Code Section 2118^[31] and the California Code of Regulations.^[32]

Additionally, "Ferrets are strictly prohibited as pets under Hawaii law because they are potential carriers of the rabies virus";^[33] the territory of Puerto Rico has a similar law.^[34]

Ferrets are also restricted by individual cities, such as, Washington, DC and New York City.^[34] They are also prohibited on many military bases.^[34] A permit to own a ferret is needed in other areas, including Rhode Island.^[35] Illinois does not require a permit to merely possess a ferret, but a permit is required to breed ferrets.^[36] It was once illegal to own ferrets in Dallas, Texas,^[37] but the current Dallas City Code for Animals includes regulations for the vaccination of ferrets.^[38]

Brazil

Ferrets are becoming popular. They are only allowed if they are given a microchip identification tag and sterilized.

Travel regulations

Airline policies

Most airlines require advance booking for ferret travel, and may levy additional fees. Requirements concerning pet carrier size, weight, and construction may vary from airline to airline. In the U.S., Delta Airlines is the only airline to allow ferrets in the cabin during a flight.

Airline	Cargo	Cabin	Notes	Details
Air Canada	Yes	No	No travel between December 19 and January 9 or between June 20 and September 10.	Travelling with your Pet[39]
Delta Air Lines	Yes	Yes		Pets as Carry On[40]
Luxair	Yes	Yes	Restrictions apply on flights to the UK.	Travelling with animals[41]
Northwest Airlines	Yes	No		Travel with pet[42]
Ryanair	No	No		What is Ryanair's policy on the carriage of animals?[43]
US Airways	No	No	US Airways does not allow pets as cargo because of the heat in some of their hub cities, such as Las Vegas.	US Airways - Pets in the Passenger Cabin[44]
Southwest Airlines	No	No		Animals and Pets[45]

Train policies

Company	Cargo	Cabin	Notes	Details
Deutsche Bahn	N/A	Yes
Eurostar	No	No		Information on taking Pets and Guide dogs on Eurostar[46]

Import laws

Australia

Ferrets cannot be imported into Australia at all. A report drafted in August 2000 seems to be the only effort made to date to change the situation.^[47]

Canada

Ferrets brought from anywhere except the US require a Permit to Import from the Canadian Food Inspection Agency Animal Health Office. Ferrets from the US require only a vaccination certificate signed by a veterinarian. Ferrets under three months old are not subject to any restrictions for importation.^[48]

European Union

As of July 2004, dogs, cats, and ferrets can travel freely within the European Union under the PETS travel scheme. To cross a border within the EU, ferrets require at minimum an EU PETS passport and an identification microchip (though some countries will accept a tattoo instead). Vaccinations are also required; most countries require a rabies vaccine, and some also require a distemper vaccine and treatment for ticks and fleas 24 to 48 hours before entry. PETS travel information is available from any EU veterinarian or on government websites.

Japan

Although previously pet ferrets were allowed to be brought into Japan, that is no longer the case. Individual pet ferrets cannot be brought into Japan without proper documents. However, licensed breeders such as Canadian Farms, PVF, Marshall's, etc... have a special agreement that still allows the import of those ferrets from those companies.

United Kingdom

The UK accepts ferrets under the PETS travel scheme. Ferrets must be microchipped, vaccinated against rabies, and documented. They must be treated for ticks and tapeworms 24 to 48 hours before entry. They must also arrive via an authorized route. Ferrets arriving from outside the EU may be subject to a six-month quarantine.^[49]

References

External links

Biology, Veterinary Science

• the Ferret Natural History FAQ
• Ferret universe Lymphoma/Lymphosarcoma
• Pathology of the Domestic Ferret
• Ferret Health Care
• Ferret Education and Research Trust - UK Registered Charity

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