Review: The use of bull breeding soundness evaluation to identify subfertile and infertile bulls
نویسندگان
چکیده
منابع مشابه
Bull Power: Examination of Beef Cattle Bulls for Breeding Soundness
T evaluation of bulls for breeding soundness is an effective and reliable way to identify bulls that are potentially poor breeders. This management technique can be used to greatest advantage if culling occurs before bulls are turned out with females. Also, the evaluation is an important means available to the producer for predicting bulls with satisfactory to excellent potential. This informat...
متن کاملBreeding Soundness of Bulls
The importance of the bull in a cattle breeding program often is underestimated. A cow is responsible for half the genetic material in only one calf each year, while the bull is responsible for half the genetic material in 20 to 50 calves. The bull’s ability to locate cows in estrus and breed them is clearly vital to a successful breeding program. Bulls differ in physical appearance, fertility ...
متن کاملBull breeding soundness evaluation in Southern Africa.
The motivation for and process leading up to the publication of a new bull breeding soundness certification standard endorsed by the South African Veterinary Association is described. The veterinary certificate of bull breeding soundness and explanatory notes and minimum standards are shown. The first component of the certificate is a declaration by the veterinarian that the bull complies with ...
متن کاملEvaluating the Breeding Soundness of Beef Bulls
Evaluating breeding soundness of bulls is an often neglected management practice. Producers may incorrectly believe that bulls that have previously proven fertile are of sound breeding value for the rest of their lives. They may also assume that new bulls are reproductively sound simply because of some vague or implied guarantee by the seller. Unfortunately, neither assumption is correct. Bulls...
متن کاملBreeding Soundness Evaluation for Beef and Dairy Bulls - FSA-3046
The breeding soundness evaluation (BSE) is a practical method to identify bulls with less than satis factory breeding potential. This evalu ation should be conducted on every bull at least 30 to 60 days before each breeding season to allow enough time for replacement of deferred or unsatis factory bulls. The first step in a BSE is to select a veterinarian in your area who is competent in con...
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ژورنال
عنوان ژورنال: Animal
سال: 2018
ISSN: 1751-7311
DOI: 10.1017/s1751731118000538