Testicular Biometry for Breeding Soundness Evaluation of Sahiwal Males Reared under Tropical Conditions
نویسندگان
چکیده
منابع مشابه
Bull 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 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 ...
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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...
متن کاملRadioimmunoassay and related techniques to improve artificial insemination programmes for cattle reared under tropical and sub-tropical conditions
CONSTRAINTS LIMITING THE EFFICIENCY OF ARTIFICIAL INSEMINATION OF CATTLE IN BANGLADESH. The aim of the present study was to identify the factors that influence postpartum intervals to first detected luteal activity, first service and to conception, and the conception rates of cows in the artificial insemination (AI) programme in Bangladesh. A baseline survey (investigations 1, 2 and 3) was made...
متن کاملDaily Rhythms of Blood Parameters in Broiler Chickens Reared under Tropical Climate Conditions
Several studies carried out on humans and other mammals show that the temporal organisation of haematological parameters in the blood exhibit daily rhythms; however, such studies have been rare in poultry reared under a natural photoperiod. The present study investigated the occurrence of daily rhythms in blood parameters of broiler chickens kept under tropical climatic conditions. Ten 6–7-week...
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ژورنال
عنوان ژورنال: Indian Journal of Animal Research
سال: 2020
ISSN: 0976-0555,0367-6722
DOI: 10.18805/ijar.b-4117