UK Guernsey Cattle

not meaning to burst the bubble of excit PDF Print E-mail
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not meaning to burst the bubble of excitement over the lifetime production but the info is meaningless without comparison. Is this a 10%/20% improvement on say 1997 it is noticable that nearly all are by minus bulls and non were born after 1995 (bar Bos.June) so well in advance of GMI or the doom merchants rants on fertility. The true test will only come in time with the likes of Boskenna June and hopefully others but my view is forget fertility there are still hugh improvements in udder conformation to be made before worrying about calving index. If they haven't got the udder to last you wont get many reaching 5000 kg f&p.Management has far bigger impact on fert than any of us like to admit. coxy
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1 Tuesday, 13 October 2009 20:45
Digby Gribble
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In 1997 there were probably 7000 recorded Guernseys as compared with approx 4500 recorded cows today. I have the 97 Herd book in the attic but don't know if I am fit enough to climb the ladder anymore. I think we need ann award for those cows that are now producing more than 50,000 kilos lifetime, other breeds have awards for 60,000kgs, 80,000kgs and 100,000kgs. I did find a pair of cows that had given more than 90,000kgs, they were dam and daughter and had both had 15 calves. I believe the famous Shiwa Cherqui's Doris gave over 200,000 lbs of milk, but she was no beauty at the end of her life. I agree about management being the key to fertility, the much vaunted Fertility Indexes that were published last year give a range of Plus or Minus 7 days for Calving Interval and as you would expect it is the lower yeilding daughters who have the better calving intervals.
 
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