59% sexed semen pregnancy rate on Irish dairy farms
The overall pregnancy rate for sexed semen on Irish dairy farms is now at 59%, compared with conventional artificial insemination (AI) at 64%.
Source: agriland.ie
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NCBC loss hides breeding success and challenges
NCBC loss hides breeding success and challenges 2022-01-19
Source: farmersjournal.ie
Dairy breeding: bull selection is critical
The changes in 2020 were to reduce the weighting of genomics in the proof. Much like the dog that didn’t bark in the Sherlock Holmes story, the letters to the editor in last week’s paper were notable for what they didn’t mention. The dairy article (17 April 2021) to which the letters from Bernard Eivers of NCBC and Andrew Cromie of ICBF refer, has four key points: That some AI companies are pushing high-milk-volume bulls in their bull panels. That high-milk-volume bulls require more feed than lower-milk-volume bulls even at the same milk solids. That 11 of the 18 bulls on one bull pane...
Source: farmersjournal.ie