Canadian researchers said yesterday they have cloned a male calf from the cells of Canada's world-renowned Starbuck Holstein bull. The bull sired more than 200,000 cows and bulls before dying in 1998.

Officers described the animals as black and white Holstein bull calves CBC News · Posted: May 30, 2017 6:42 AM EDT | Last Updated: May 30, 2017 (Submitted by Mike Trainor) ...

Holstein bull calves can be collected from 14-42 days of age Up until July of last year, such calves for the system were only collected south of the Border, but with growing demand, calves are now ...

Proper care of newborn calves is always the best choice. If recent phone calls are any indication, the high price of beef apparently has producers re-thinking the value of Holstein bull calves.

PRICES for the plainer lots of Holstein bull calves dipped under the ?50/hd mark as the fierce storms which lashed the country seriously disrupted the export trade.

This Holstein bull from Russell, Ont., has just had a haircut. Hundreds of cattle are judged at the fair each year, based on strength, bone structure and, among dairy cows, milking performance. It ...

Recently, some breeders had registered bull calves via a microsatellite DNA test to verify parentage and then followed up with a genomic test. Both tests cost £32.50 plus VAT.

Holstein bull calves tend to be of less value in the beef cattle markets. By raising beef-on-dairy cattle , producers can maximize their cattle profits.

More than 99 percent of Holstein bulls born using artificial insemination in the last decade trace their male lineage to just two bulls born in the 1960s. Efforts to reconstitute two lost male ...