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How young can a Holstein bull calf breed thought banded but not now have young heifers with him not old enough to be breed?
A Holstein bull calf reaches puberty between 9 and 12 months of age, at which is the time that he starts showing interest in cows and heifers. If he's younger than that, then there's no need to worry. And, if the heifers have not reached puberty themselves (which occurs at around 12 months of age), then they will not get bred by this young Holstein bull.
So no need to worry. However, you will have to pull him out before you suspect the heifers will start to show their first signs of estrus, if you intend to keep him in with the girls for a fair period of time. Oh and make sure he DOES get banded this time. It's best to band him before he reaches puberty. Most calves are banded at birth, or between 2 and 6 months of age.
What else can I help you with?
What is puberty in cattle?
Puberty in cattle is the same for humans: it is the time when a heifer or bull begins to become more receptive to the possibility of conceiving offspring, due to the fact their reproductive organs start reaching maturity and their secondary sexual characteristics begin to develop. Sexual maturity is when the reproductive organs reach maturity enough that a heifer is old enough to conceive or a bull is old enough to start breeding heifers and cows. Age of puberty in cattle is highly dependent on the breed and how selective for fertility a producer is for his/her cow-calf herd. Heifers in herds that have high fertility have been known to start puberty as early as 4 or 5 months of age. Other herds or breeds may not see heifers beginning puberty until they're between 9 to 12 months of age. Brahman and zebu cattle may have heifers beginning puberty as late as 15 to 20 months of age. The latter breeds often don't see heifers being bred to calve until they're around 24 or 25 months old. The former often have a rule of thumb with having heifers not to be bred until they're 15 months of age. However, some breeders of the more highly fertile herds may find that they have no issues with breeding heifers a few months younger. Of course this is all down to the producer's discretion and management goals.
My heifer had twins is that common?
No, it is not common for heifers (first-time mothers) to have twins. It is more common for mature cows to have twins. Twins in heifers can pose challenges in terms of care and nutrition for both the heifer and the calves. It is important to monitor them closely and seek advice from a veterinarian.
Is it ok to breed a heifer at 8 months?
No. Most heifers haven't even reached puberty at that age, much less are even large enough to be bred to. And even if a heifer has reached puberty at that age, her pelvic area and body size is still too small to be able to be bred at that age. You MUST give her more time to grow (another 7 or 8 months is highly recommended) before you can breed her.
Will you yawn if you are not getting enough oxygen?
Yes, yawning can occur when the body is not getting enough oxygen. It is thought to be a way for the body to increase oxygen intake and regulate brain temperature. However, yawning can also be triggered by factors like boredom, fatigue, or changes in alertness, so it's not solely linked to oxygen levels.
How old does a Brahman bull have to be to service a heifer?
It should be a more of a concern of how much the bull weighs over his age. The bigger the bull, the more likely he'll cause injury to the heifer. Usually the older the bull is the bigger he'll be. Yearling bulls are best used for heifers, more often those that have EPDs for small calves. Brahmans are typically later maturing, so a two-year old bull may be old enough to service a heifer.
What is puberty in cattle?
Puberty in cattle is the same for humans: it is the time when a heifer or bull begins to become more receptive to the possibility of conceiving offspring, due to the fact their reproductive organs start reaching maturity and their secondary sexual characteristics begin to develop. Sexual maturity is when the reproductive organs reach maturity enough that a heifer is old enough to conceive or a bull is old enough to start breeding heifers and cows. Age of puberty in cattle is highly dependent on the breed and how selective for fertility a producer is for his/her cow-calf herd. Heifers in herds that have high fertility have been known to start puberty as early as 4 or 5 months of age. Other herds or breeds may not see heifers beginning puberty until they're between 9 to 12 months of age. Brahman and zebu cattle may have heifers beginning puberty as late as 15 to 20 months of age. The latter breeds often don't see heifers being bred to calve until they're around 24 or 25 months old. The former often have a rule of thumb with having heifers not to be bred until they're 15 months of age. However, some breeders of the more highly fertile herds may find that they have no issues with breeding heifers a few months younger. Of course this is all down to the producer's discretion and management goals.
My heifer had twins is that common?
No, it is not common for heifers (first-time mothers) to have twins. It is more common for mature cows to have twins. Twins in heifers can pose challenges in terms of care and nutrition for both the heifer and the calves. It is important to monitor them closely and seek advice from a veterinarian.
Are banded water snakes poisonous?
Assuming you mean the Australian 'Bandy-Bandy' species.. Yes they are venomous, but the venom is not considered toxic enough to be a danger to humans. There is an article on the species in Wikipedia (see related link)
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