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Participation in Forum on May 26, 2020
Hi Luis, You are right, we now know methionine plays a role in hepatic lipid metabolism, and in reproduction by influencing the accumulation of fatty acids that supply energy and are essential to fertility in the endometrium. Reduction of methionine is also established as a novel cellular mechanism for regulating oxidation which is important under conditions of oxidative stress in transition cows ...
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Participation in Forum on May 17, 2020
Hazem,You are right, protected amino acids are costly and there must be justifiable return on investment. I probably would not use it for cows yielding less than 8000lt. In any case, if you can determine the amount of yield of rumen microbial protein and compare that will milk output you tell whether or not the cow needs rumen protected amino acids. You also need to look at the whole diet and the ...
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Joe Magadi likes the comment:
We in Israel use 16.2-16.7 % CP depending on MUN looking to achieve 12-16 MUN flat TMR the entiere lactation as roughage is very expensive.We do not use ruman protected amino acids but the TMR is much more diverce in protien feedstufs than the Wisconsin diet. We use soy, canola, DDGS, sunflower mill as protein sources, so we are not sure that the Mepron or AminoShure-XM can help improve nitrogen e ...
Participation in Forum on April 9, 2020
Manget, A brilliant idea.
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Participation in Forum on April 9, 2020
Claudia Parys Thanks for your response. It makes sense.
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Participation in Forum on April 6, 2020
Thank you Claudia. Very interesting observations. In our organisation we have developed a product that combines rumen inert methionine, choline, glycerine, C18:1 and glycerine together with vitamin E and organic selenium and the results are equally exciting. Have you considered combining methionine with histidine?
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Participation in Forum on January 16, 2020
Hi Mariana, I highly agree with you. I think the modern rationing system for high yielding dairy cows is causing an imbalance in the metabolism of the animal to the extent that nutrient partitioning is so skewed toward high fat milk production at the expense of health and fertility. Let us rethink and consider perhaps moderating the energy and protein content of milk to see if we can re-balance ...
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Participation in Forum on January 8, 2020
Royce, You are right. It is all about cost effective diet formulation and rationing that matter.
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Participation in Forum on January 3, 2020
Hi colleagues, Here is an interesting paper by Santos et al. https://animal.ifas.ufl.edu/apps/dairymedia/rns/2013/8_santos.pdf
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Participation in Forum on December 25, 2019
Depending on the milk yield some supplementation with rumen protected amino acids may be necessary as microbial protein can only suffice for a limited amount of milk production.
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