Obtaining Frozen Semen of Bulls with Superior Qualitative Parameters
نویسندگان
چکیده
منابع مشابه
PCR Assay for Detection of Neospora Caninum in Fresh and Frozen Semen Specimens of Iranian Bulls
Neosporosis is caused by the protozoan parasite, Neospora caninum which is major cause of fatal disease and abortion in cattle in Iran and in many countries. The economic impacts of neosporosis are lost milk, meat and abortions in cattle. The purpose of the present study was to evaluate the presence of N. caninum DNA in fresh and frozen semen samples of Iranian bulls that were used for artifici...
متن کاملEffect of thawing methods on frozen semen quality of yak (Poephagus grunniens L.) bulls.
AIM To evaluate different thawing temperatures and duration on the post-thaw semen quality of Indian yaks bulls. MATERIALS AND METHODS Semen ejaculates from four different yak bulls were collected using artificial vagina method and extended with tris extender containing 6.4% glycerol at 35°C, cooled gradually from 35°C to 5°C at 1°C/3 min and equilibrated at 4-5°C for 4 h and frozen in French...
متن کاملSexual behavior and its relationship with semen quality parameters in Sahiwal breeding bulls
AIM The study was conducted at Artificial Breeding Research Centre, NDRI, Karnal, to determine the sexual behavior and its relationship with semen quality parameters in Sahiwal breeding bulls. MATERIALS AND METHODS A total of 63 ejaculates were collected from six adult Sahiwal bulls (age ~47 mo and bwt ~466 kg), to study the relationship of sexual behavior and semen quality. The degree of ass...
متن کاملGearing up superior quality semen production: breeding soundness evaluation of bulls and beyond
India is the foremost milk producing nation of the world, and homes the largest domesticated bovine population. But the average productivity of indigenous/non-descript animals is far below than that of Taurine cattle. Crossbreeding of low producing indigenous and nondescript cattle with high producing exotic breeds like Holstein Friesian and Jersey is followed as the breeding policy of the coun...
متن کاملBreeding With Chilled And Frozen Semen
Artificial Insemination (AI) involves the introduction of sperm into the reproductive tract of the mare without natural mating. AI in the horse was first practiced long ago. Ancient Arabian texts describe how mares were successfully inseminated. In the late 18th Century, an Italian scientist took the idea up again. He performed a series of studies in which he placed stallion semen in the snow a...
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ژورنال
عنوان ژورنال: Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Animal Science and Biotechnologies
سال: 2020
ISSN: 1843-536X,1843-5262
DOI: 10.15835/buasvmcn-asb:0001.20