Jersey crossbred bulls

Flow cytometry based evaluation of sperm parameters is advantageous over the traditional microscope based evaluation. Many sperm parameters can be measured within short time period and with high accuracy. For this study, semen from six Jersey crossbred bull were collected. Semen parameters like sperm for viability and acrosomal integrity were analyzed by flow cytometry.

7p gaocaolon9 22-12-2020 16 2   Download

The present study was carried out to assess the relative expression of Y- specific genes [Sex determining region on Y-chromosome (SRY), Testis-specific protein Y-encoded (TSPY) and Ubiquitin specific peptidase 9-Y-linked (USP9Y)] and their association with semen production characters in crossbred Jersey bulls. The blood samples were collected from breeding bulls present in three frozen semen stations in Tamil Nadu.

8p trinhthamhodang1215 23-09-2020 25 2   Download

A cross bred jersey bull aged two and half years with the history of postservice bleeding from penis was presented to Large Animal Gynaecology Unit, Madras Veterinary College Teaching Hospital. Physical examination of prepuce and glans penis revealed inflammatory changes and pain whereas, testicles revealed uniform soft consistency with wrinkled scrotal skin and both the epididymis was normal.

3p kethamoi7 26-08-2020 7 2   Download

Data on 106197 semen ejaculates of 310 crossbred Jersey bulls maintained at three frozen semen stations in Tamil Nadu, India were collected from the year 2002 to 2014. The effects of various non-genetic factors such as farm, ejaculate number, period of semen collection, season of semen collection and age of the bulls at collection were studied on semen quality parameters using least-squares method.

11p nguathienthan4 21-04-2020 17 1   Download

Data maintained on 742 breeding bulls of different breeds indicated that 213 cases were affected during 3 year period and 78 cases were treated by surgical interventions. Surgical cases recorded were as lameness 51 (23.94%), major affections 09 (4.23%) and minor affections 18 (8.45%). Lameness was highest in purebred Holstein Friesian (7.04%) compared to purebred Jersey bulls (0.94%), while it was highest in crossbred Holstein Friesian (8.92%) compared to crossbred Jersey bulls (1.41%). Proper hoof trimming was mainly essential tool in early recovery of hoof lameness.

4p cothumenhmong3 22-02-2020 15 1   Download