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<blockquote data-quote="MoGal" data-source="post: 308937" data-attributes="member: 1346"><p>Sorry to hear of your loss, but this was an interesting article (I thought) ....... but I also wonder why the calf had no hair?? Wouldn't it normally have hair at the 8th month?? Is that a mineral/vitamin deficiency to cause that?</p><p></p><p></p><p>An article in the last show me select heifer sale held 12/02....</p><p></p><p>The North Dakota State University Dickinson Research Extension Center. In reviewing cow records, center research specialist Keith Helmuth compiled all the cows with absolute breeding dates and sire of calf. In other words, 462 cows were artificially inseminated and conceived to the unit of semen she was inseminate with. Because of the different breeds used, the parentage of this calf is not questionable. No DNA test or judge was needed to identify the father.</p><p></p><p>Of these 462 cows, the average gestation length was 282.5 days. Of the 462 cows only 87 actually calved on the expected date. These cows were expected to calve 283 days after breeding, on March 1st. In reality, the first live calf arrived February 11, then one on the 13th and one on the 16th. Three calves arrived on Feb 17th, three on the 19th, one on the 20th, three on the 21st, nine on the 22nd, eight on the 23rd and a rush on the 24th produced 17 calves.</p><p></p><p>The calving crew is starting to sweat. On the 25th, 19 calves were born, 36 on the 26th, 38 on the 27th, 39 on the 28th and finally on the due date of March 1st, 87 calves were born. More sweat, despite the cold weather. On March 2nd 53 cows calve, on the 3rd 25 calves, on the 4th 16 calves, on the 5th 22 calves, on the 6th 20 calves on the 7th 15 calves and on the 8th only four calves. Just as their appeared to be a let up, on the 9th 15 calves were born, on the 10th 12 calves and on the 11th one calf. The season finished with 2 calves on the 12th, three calves on the 13th, four calves on the 14th and one calf each on the 15th, 16th and 17th. The last 2 calves were born on the 19th of March.</p><p></p><p>All 462 cows conceived on the same day, but the calving season lasted 32 days. Approximately 80 percent calved within an 11 day window, 95 percent in a 19 day window and 98 percent within a 28 day window.</p><p></p><p>I think the article was written by Kris Ringwall who is a ND State Univ Extension Beef specialist, Director of the NDSU Dickinson Research Center. He authors the Cow Herd Appraisal Performance System Computer program that incorporates and analyses data collection from conception through consumption.</p></blockquote><p></p>
[QUOTE="MoGal, post: 308937, member: 1346"] Sorry to hear of your loss, but this was an interesting article (I thought) ....... but I also wonder why the calf had no hair?? Wouldn't it normally have hair at the 8th month?? Is that a mineral/vitamin deficiency to cause that? An article in the last show me select heifer sale held 12/02.... The North Dakota State University Dickinson Research Extension Center. In reviewing cow records, center research specialist Keith Helmuth compiled all the cows with absolute breeding dates and sire of calf. In other words, 462 cows were artificially inseminated and conceived to the unit of semen she was inseminate with. Because of the different breeds used, the parentage of this calf is not questionable. No DNA test or judge was needed to identify the father. Of these 462 cows, the average gestation length was 282.5 days. Of the 462 cows only 87 actually calved on the expected date. These cows were expected to calve 283 days after breeding, on March 1st. In reality, the first live calf arrived February 11, then one on the 13th and one on the 16th. Three calves arrived on Feb 17th, three on the 19th, one on the 20th, three on the 21st, nine on the 22nd, eight on the 23rd and a rush on the 24th produced 17 calves. The calving crew is starting to sweat. On the 25th, 19 calves were born, 36 on the 26th, 38 on the 27th, 39 on the 28th and finally on the due date of March 1st, 87 calves were born. More sweat, despite the cold weather. On March 2nd 53 cows calve, on the 3rd 25 calves, on the 4th 16 calves, on the 5th 22 calves, on the 6th 20 calves on the 7th 15 calves and on the 8th only four calves. Just as their appeared to be a let up, on the 9th 15 calves were born, on the 10th 12 calves and on the 11th one calf. The season finished with 2 calves on the 12th, three calves on the 13th, four calves on the 14th and one calf each on the 15th, 16th and 17th. The last 2 calves were born on the 19th of March. All 462 cows conceived on the same day, but the calving season lasted 32 days. Approximately 80 percent calved within an 11 day window, 95 percent in a 19 day window and 98 percent within a 28 day window. I think the article was written by Kris Ringwall who is a ND State Univ Extension Beef specialist, Director of the NDSU Dickinson Research Center. He authors the Cow Herd Appraisal Performance System Computer program that incorporates and analyses data collection from conception through consumption. [/QUOTE]
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