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<blockquote data-quote="SRBeef" data-source="post: 737780" data-attributes="member: 7509"><p>This is pretty much what I have gravitated towards also. Except in WI the bull goes in the last week of June, not May, or you will have calves in the snow.</p><p></p><p>I think the number one goal for most of us should be a very defined and compressed target calving time. NOT strung out. Leaving the bull in, as HOSS does above, does NOT necessarily mean a drawn out calving period. </p><p></p><p>With up to 20-25 good cows and heifers cycling about every 21 days or so, and a good bull on a smaller acreage, the bull should catch most of them on their first cycle after he is put in, a very few may be on the second cycle. </p><p></p><p>So if you put the bull in with open cows and heifers for the first time on June 20th, calving should start 283 days later on March 29 and your last 2nd heat calf should be born no later than 42 days later on May 8th.</p><p></p><p>You should preg check in the fall some time before hay feeding time to see if they are all pregnant. If not pregnant sell the open ones before feeding over the winter.</p><p></p><p>All cows and yearling heifers overwintered will then be confirmed pregnant. Any cows having calves later than May 8th should be allowed to calve and then sold as either pairs or three-fers before the summer grazing lull. This will maintain herd fertility and tighten your calving period rather than having it slide the other direction over time.</p><p></p><p>You can wean the calves away from the cows and bull at about 210 days/ 7 months after the first calf or about Nov 1. This Nov 1 is a good time to have the vet come by and give them all vaccinations, boosters and pour-on wormer prior to winter and sort them as they come out of the chute. Heifers to probably be retained get their bangs. </p><p></p><p>After 8 weeks weaning in early January, I sort the steers back over with the bull and the cows over with the heifers. These two groups males in one and females in the other, are kept separate until bull in date of June 20th again.</p><p></p><p>Most cows will calve in the first 21 days from March 29 to April 19th. </p><p></p><p>If all goes well, most cows will be cycling again 60 days after calving or by June 19th. Just in time for the bull in date of June 20th and start of the yearly cycle again.</p><p></p><p>The key to not slipping is culling any cows either not pregnant at preg check time or who do not calve within 42 days of the first calf or by May 8th. </p><p></p><p>I have my vet come in for the spring run thru of the female/calf group in early June, ahead of bull in date. Here the steers get cut. They get to be whole about 60 days. They all get pour on and booster shots. Calves get first shots and eartags, bull gets his BSE.</p><p></p><p>This way also there are open cycling calved cows for only about 30 days or so ahead of bull-in date. This is the key time (May 20th-June 20th) to watch out for neighborhood bulls messing up the system and genetics.</p><p></p><p>Heifers and steers can be sold out of the two groups at any time after January weaning.</p><p></p><p>This is what I have found to be sort of a natural northern calving schedule with the peak grass grazing starting about 30 days after calving. Calves born on drier, warmer ground (usually) won't need as much fussing.</p><p></p><p>I feel that leaving the bull in with the cows is actually a positive thing in that it will identify any slower cycling, late calvers which can then be culled and sold if you religiously stick with the 42 day limit on calving period after the first one hits the ground. Every cow or heifer must have a calf, on time, every year or they get culled. NO exceptions.</p><p></p><p>Just a suggestion from what I have learned so far, much with help from others here, a couple years experience and reading, for S WI climate. I hope this helps give you some ideas. I had the same newcomer questions. The above system seems to work nicely for me so far with a smaller, one-bull herd. Good luck, parttimer. Jim</p></blockquote><p></p>
[QUOTE="SRBeef, post: 737780, member: 7509"] This is pretty much what I have gravitated towards also. Except in WI the bull goes in the last week of June, not May, or you will have calves in the snow. I think the number one goal for most of us should be a very defined and compressed target calving time. NOT strung out. Leaving the bull in, as HOSS does above, does NOT necessarily mean a drawn out calving period. With up to 20-25 good cows and heifers cycling about every 21 days or so, and a good bull on a smaller acreage, the bull should catch most of them on their first cycle after he is put in, a very few may be on the second cycle. So if you put the bull in with open cows and heifers for the first time on June 20th, calving should start 283 days later on March 29 and your last 2nd heat calf should be born no later than 42 days later on May 8th. You should preg check in the fall some time before hay feeding time to see if they are all pregnant. If not pregnant sell the open ones before feeding over the winter. All cows and yearling heifers overwintered will then be confirmed pregnant. Any cows having calves later than May 8th should be allowed to calve and then sold as either pairs or three-fers before the summer grazing lull. This will maintain herd fertility and tighten your calving period rather than having it slide the other direction over time. You can wean the calves away from the cows and bull at about 210 days/ 7 months after the first calf or about Nov 1. This Nov 1 is a good time to have the vet come by and give them all vaccinations, boosters and pour-on wormer prior to winter and sort them as they come out of the chute. Heifers to probably be retained get their bangs. After 8 weeks weaning in early January, I sort the steers back over with the bull and the cows over with the heifers. These two groups males in one and females in the other, are kept separate until bull in date of June 20th again. Most cows will calve in the first 21 days from March 29 to April 19th. If all goes well, most cows will be cycling again 60 days after calving or by June 19th. Just in time for the bull in date of June 20th and start of the yearly cycle again. The key to not slipping is culling any cows either not pregnant at preg check time or who do not calve within 42 days of the first calf or by May 8th. I have my vet come in for the spring run thru of the female/calf group in early June, ahead of bull in date. Here the steers get cut. They get to be whole about 60 days. They all get pour on and booster shots. Calves get first shots and eartags, bull gets his BSE. This way also there are open cycling calved cows for only about 30 days or so ahead of bull-in date. This is the key time (May 20th-June 20th) to watch out for neighborhood bulls messing up the system and genetics. Heifers and steers can be sold out of the two groups at any time after January weaning. This is what I have found to be sort of a natural northern calving schedule with the peak grass grazing starting about 30 days after calving. Calves born on drier, warmer ground (usually) won't need as much fussing. I feel that leaving the bull in with the cows is actually a positive thing in that it will identify any slower cycling, late calvers which can then be culled and sold if you religiously stick with the 42 day limit on calving period after the first one hits the ground. Every cow or heifer must have a calf, on time, every year or they get culled. NO exceptions. Just a suggestion from what I have learned so far, much with help from others here, a couple years experience and reading, for S WI climate. I hope this helps give you some ideas. I had the same newcomer questions. The above system seems to work nicely for me so far with a smaller, one-bull herd. Good luck, parttimer. Jim [/QUOTE]
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