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What about a crash course for Murray Greys
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<blockquote data-quote="waihou" data-source="post: 1030764" data-attributes="member: 6511"><p>After delving into the records, here is a comparison of their 2005 heifer calves, by the same sire.</p><p>These two females one by Ballee Thumbs Up (X85)out of a bought in cow and one by Okaharau Principal (X83) out of a third generation home bred cow</p><p>These were their second calves, both heifers</p><p>Calf 171 out of X83 weighed 46kgs, born 25 October. At the time the dams milk EBV/EPD was +5kgs</p><p>Calf 172 out of X85 (dam by B. Thumbs Up) born 16 Nov weight 43 kgs the dams milk EBV/EPD was +1kg</p><p></p><p>Calf 171 at 137 days old 245kgs, gain per day 1.45kgs</p><p>Calf 172 at 115 days old 140kgs, gain per day .84kg</p><p></p><p>at 205 days calf 171 weighed 344kgs</p><p>at 205 days calf 172 weighed 216 kgs</p><p></p><p>Here are their calves for comparison at 11 months old. </p><p>172 on left (Thumbs Up grandsire) and 171 on right</p><p><a href="http://smg.photobucket.com/user/SUEC/media/DSC01907-2.jpg.html" target="_blank"><img src="http://img.photobucket.com/albums/v439/SUEC/DSC01907-2.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p>The weights clearly indicated the EPD for milk for their dams was right all along, and the look of the udder didn't follow on!</p><p></p><p></p><p>Again compared the two cows with their 4th calves</p><p>Calf 230 born 20 August 2007, wt 45kgs out of X83</p><p><a href="http://smg.photobucket.com/user/SUEC/media/XaltandCayenne231age3days-2.jpg.html" target="_blank"><img src="http://img.photobucket.com/albums/v439/SUEC/XaltandCayenne231age3days-2.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>Calf 231 born 21 August 2007, wt 34 kgs out of X85 (Thumbs up sire)</p><p><a href="http://smg.photobucket.com/user/SUEC/media/Xtra85andConniebyTXtraage36hours.jpg.html" target="_blank"><img src="http://img.photobucket.com/albums/v439/SUEC/Xtra85andConniebyTXtraage36hours.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p></p><p>weaning 21st March 2008 -calf 230 weighed 332 kgs, daily gain 1.35kgs/day</p><p> 21st March 2008-calf 231 weighed 268kgs, daily gain of 1.11kgs/day</p><p></p><p>Not hard to see that the cow with the smaller udder and the higher milk EBV/EPD had far the best performance-so EBV's can be believed!</p><p></p><p>When we culled X85 as a 6 year old her Milk EBV was -4kgs and her 200day growth was +9kgs to a breed average of +19kgs</p><p>X83, still in the herd has a Milk EBV of +8kgs to a breed average of +3kgs, and a 200 day growth EBV of +25kgs to breed avg +19kgs</p><p></p><p>Not housed, outside all year round, also no creep feeding or concentrates here-all grass, hay and milk!</p></blockquote><p></p>
[QUOTE="waihou, post: 1030764, member: 6511"] After delving into the records, here is a comparison of their 2005 heifer calves, by the same sire. These two females one by Ballee Thumbs Up (X85)out of a bought in cow and one by Okaharau Principal (X83) out of a third generation home bred cow These were their second calves, both heifers Calf 171 out of X83 weighed 46kgs, born 25 October. At the time the dams milk EBV/EPD was +5kgs Calf 172 out of X85 (dam by B. Thumbs Up) born 16 Nov weight 43 kgs the dams milk EBV/EPD was +1kg Calf 171 at 137 days old 245kgs, gain per day 1.45kgs Calf 172 at 115 days old 140kgs, gain per day .84kg at 205 days calf 171 weighed 344kgs at 205 days calf 172 weighed 216 kgs Here are their calves for comparison at 11 months old. 172 on left (Thumbs Up grandsire) and 171 on right [url=http://smg.photobucket.com/user/SUEC/media/DSC01907-2.jpg.html][img]http://img.photobucket.com/albums/v439/SUEC/DSC01907-2.jpg[/img][/url] The weights clearly indicated the EPD for milk for their dams was right all along, and the look of the udder didn't follow on! Again compared the two cows with their 4th calves Calf 230 born 20 August 2007, wt 45kgs out of X83 [url=http://smg.photobucket.com/user/SUEC/media/XaltandCayenne231age3days-2.jpg.html][img]http://img.photobucket.com/albums/v439/SUEC/XaltandCayenne231age3days-2.jpg[/img][/url] Calf 231 born 21 August 2007, wt 34 kgs out of X85 (Thumbs up sire) [url=http://smg.photobucket.com/user/SUEC/media/Xtra85andConniebyTXtraage36hours.jpg.html][img]http://img.photobucket.com/albums/v439/SUEC/Xtra85andConniebyTXtraage36hours.jpg[/img][/url] weaning 21st March 2008 -calf 230 weighed 332 kgs, daily gain 1.35kgs/day 21st March 2008-calf 231 weighed 268kgs, daily gain of 1.11kgs/day Not hard to see that the cow with the smaller udder and the higher milk EBV/EPD had far the best performance-so EBV's can be believed! When we culled X85 as a 6 year old her Milk EBV was -4kgs and her 200day growth was +9kgs to a breed average of +19kgs X83, still in the herd has a Milk EBV of +8kgs to a breed average of +3kgs, and a 200 day growth EBV of +25kgs to breed avg +19kgs Not housed, outside all year round, also no creep feeding or concentrates here-all grass, hay and milk! [/QUOTE]
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