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Cattle Boards
Grasses, Pastures & Hay
Testing for Endophytes
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<blockquote data-quote="Ebenezer" data-source="post: 1837008" data-attributes="member: 24565"><p>"I have learned recently that the litter in the newer operations is treated to reduce the ammonia, so it doesn't burn the chicken's feet and the time between cleanings has been extended to a year. The hay producers here are saying you still will have to hit it with Urea after the litter because of the reduced nitrogen in the litter but not near what it would need without the litter."</p><p></p><p>The concern is breast scald and blindness. Alum is applied and worked in before each flock. It keeps litter moisture at 19% or less. This keep ammonia from volatizing. So, the N potential of litter is higher than when the ammonia is allowed to release. And the longer time between cleanout also increases the % manure in the litter. Alum does bind up some of the P. The short answer - go by the litter test results. </p><p></p><p>"Do you have direct experience with the newer varieties? As far as persistence during drought? And as far as avoiding the ky31 from coming back in? What varieties do you have experience with or confidence in?"</p><p></p><p>Yes - Baroptima with the novel endophyte, Estancia and MaxQ. The Persist orchardgrass outgrew them all with soil testing and resultant lime and litter. Growth ability, via stockpile height, is much less than KY31. </p><p></p><p>What I have not seen from universities is the rate of invasion of pastures by KY31 after all of the efforts have been made to rid it.</p></blockquote><p></p>
[QUOTE="Ebenezer, post: 1837008, member: 24565"] "I have learned recently that the litter in the newer operations is treated to reduce the ammonia, so it doesn't burn the chicken's feet and the time between cleanings has been extended to a year. The hay producers here are saying you still will have to hit it with Urea after the litter because of the reduced nitrogen in the litter but not near what it would need without the litter." The concern is breast scald and blindness. Alum is applied and worked in before each flock. It keeps litter moisture at 19% or less. This keep ammonia from volatizing. So, the N potential of litter is higher than when the ammonia is allowed to release. And the longer time between cleanout also increases the % manure in the litter. Alum does bind up some of the P. The short answer - go by the litter test results. "Do you have direct experience with the newer varieties? As far as persistence during drought? And as far as avoiding the ky31 from coming back in? What varieties do you have experience with or confidence in?" Yes - Baroptima with the novel endophyte, Estancia and MaxQ. The Persist orchardgrass outgrew them all with soil testing and resultant lime and litter. Growth ability, via stockpile height, is much less than KY31. What I have not seen from universities is the rate of invasion of pastures by KY31 after all of the efforts have been made to rid it. [/QUOTE]
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