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The second part to this question is easy: when you weigh a cow one day, and weigh her again 24 or 36 hours later, you can tell she'll be loosing weight if she's lost weight during that time period. She'll also look thinner if she's losing weight.
As for the second part, Johnes disease is a sign of cows becoming quite thin to the point of emaciation, and don't gain weight even when you try to feed them concentrate feed to get their weight up again. She will also have intermittent diarrhea and constipation. Feces will look watery but will have no blood in them and will have a normal odor. Often a fecal test will reveal if a cow has Johnes disease or if she just has internal parasites. Johnes disease is always fatal, with the animal living from a month to a couple years. There is no satisfactory treatment for this disease that has yet been found.
What else can I help you with?
Are dairy cows disease resistant?
No. Dairy cows, especially those that have been "improved" for more conventional and commercial dairy farming are actually less disease resistant than their heritage ancestors or other breeds that are more heritage-type animals than commercial Jerseys or Holstein cattle. Commercially-raised dairy cows are susceptible to any and all diseases unless they are vaccinated and/or properly cared for and fed to prevent such disease from occurring. Mastitis, Milk Fever, Ketosis, Johnes Disease, Foot and Mouth Disease, Bovine Spongiform Encephalopathy, Bovine Viral Diarrhea, and Tuberculosis are just some diseases that dairy cattle can get.
What causes johnes in dairy cows?
Johnes' disease is caused by Mycobacterium aviumsubspecies paratuberculosis. It is a chronic disease of the intestinal wall that causes pipestream diarrhea in the face of a good appetite; the cattle end up wasting away due to malabsorption diarrhea and effective starvation. Most producers will cull the cow for production reasons before it gets too bad; these animals are often taken to slaughter. The good news is, the meat from these animals does not contain the bacterium, so there is no risk to humans.
What is the disease were you are allergic to dairy?
lactose intolerant
Does dairy have gluten?
A wheat and diary free diet is suitable for some with Celiac disease because wheat and dairy is not healthy to someone who has celiac disease because it is not good for their body.
Why is Mad Cow Disease back in the news as of April 2012?
A cow that died at a dairy farm in California was randomly chosen to be tested by the USDA. After being tested, it was discovered that though the animal was asymptomatic (i.e. it showed no signs of the disease), it had BSE (also known as Mad Cow Disease). For more information, see the related link.
Which disease did dairy maids sometimes get which gave them immunity to this more serious disease?
I am presuming the answer is small pox, and the answer is cow pox.
What foods can give you heart disease?
wholemilk dairy productsbuttercreamice creamcream cheeseshrimpkidneyduckgooseporkbeef
What can I do about osteoporosis?
Osteoporosis is a disease in which bones deteriorate. In turn, you can prevent this harmful disease by eating foods that are rich in calcium such as dairy products and plants.
What foods can vegetarians eliminate to lose weight?
Dairy products. Definetly
Why does Johns disease have a higher infection rate in dairy cattle than in Beef cattle?
Because of the close confignment of dairy cows. Beef cattle are not in close confignment.
Weight of a caramel Cadburys chocolate bar?
Dairy Milk with Caramel: 49g, 140g, 230g. Dairy Milk Caramel Freddo: 20g.
What is found in meat and dairy foods and can cause heart disease?
Saturated fats can cause heart
