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<blockquote data-quote="SRBeef" data-source="post: 798551" data-attributes="member: 7509"><p>I have not been doing this for too many years, however I have started with a rag-tag bunch of cows from different sources and very different genetics. This has in a way been an accidental bonus as a learning experience.</p><p></p><p>I had one cow 2 years ago I thought had Johnnes (sp?) because she got so thin in the fall. I had her tested and fortunately negative on the Johnnes. Her calf looked normal to good though. Other cows that fall looked in better condition themselves but their calves were not doing as well as the one I thought might have Johnnes. Next year with better grass this thin cow looked much better herself AND had another 55% range ww ratio calf.</p><p></p><p>So what I have inferred from this is that some cows put more of themselves into the calf than others which tend to maintain their own condition in a drought but the calf suffers...</p><p></p><p>In general yes the ww ratio may stay about the same in a drought condition as both cow and calf are sub parr. However I like the cows that put everything into the calf even in tough conditions. Because I know better now that when drought strikes I need to have a ready backup plan - more than I had a couple years ago when I let their condition drop too much in a dry fall. A backup of wrapped hay bales that I can use in the summer or fall if needed gives me a cushion so I can focus on the cows that put a lot into the calf. This shows up as a >50% WW ratio. I want to develop a herd that regularly weans 55% calves: 1200 lb cows 205 day wean 660 lb calves, up to about 1400 lb cows that typically wean a 770 lb 205 day calf. That is my goal. jmho. Jim</p></blockquote><p></p>
[QUOTE="SRBeef, post: 798551, member: 7509"] I have not been doing this for too many years, however I have started with a rag-tag bunch of cows from different sources and very different genetics. This has in a way been an accidental bonus as a learning experience. I had one cow 2 years ago I thought had Johnnes (sp?) because she got so thin in the fall. I had her tested and fortunately negative on the Johnnes. Her calf looked normal to good though. Other cows that fall looked in better condition themselves but their calves were not doing as well as the one I thought might have Johnnes. Next year with better grass this thin cow looked much better herself AND had another 55% range ww ratio calf. So what I have inferred from this is that some cows put more of themselves into the calf than others which tend to maintain their own condition in a drought but the calf suffers... In general yes the ww ratio may stay about the same in a drought condition as both cow and calf are sub parr. However I like the cows that put everything into the calf even in tough conditions. Because I know better now that when drought strikes I need to have a ready backup plan - more than I had a couple years ago when I let their condition drop too much in a dry fall. A backup of wrapped hay bales that I can use in the summer or fall if needed gives me a cushion so I can focus on the cows that put a lot into the calf. This shows up as a >50% WW ratio. I want to develop a herd that regularly weans 55% calves: 1200 lb cows 205 day wean 660 lb calves, up to about 1400 lb cows that typically wean a 770 lb 205 day calf. That is my goal. jmho. Jim [/QUOTE]
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