See:
Eduardo Lima likes the video:
Breno Beirão (Universidade Federal do Paraná, Brazil) discussed the balance of amino acids in swine nutrition, during IPVS2022 in Rio de Janeiro, Brazil.
Participation in Forum on March 16, 2022
Hello, interesting approuch. Full paper available? Regards,
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Talaat Mostafa El-Sheikh, the manufacturers of the enzyme products, conduct trials to estimate the amount of nutrients the specific enzyme releases, such as energy, phosphorus, amino acids, etc. The matrix values express the difference between Control and the Control + enzyme. It is important to ask the distributor/manufacturer of the given enzyme product how many trials they used to derive the ...
Participation in Forum on June 27, 2020
Juxing Chen Do you have any results of that? And this will work same even in higher protease dosage?
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Dear Dr Moran, thanks for your interest in the use of proteases in the presence of other exogenous enzymes. When we blend DP100 with phytase in feed, we don’t see losses of the phytase or DP100 in the feed, and when we feed the combination of the two enzymes we don’t see reduction in the response of the bird. This would indicate the protease is not degrading the exogenous phytase, if a ...
Participation in Forum on March 16, 2020
Dr. Applegate, For Salmonella sp concern we can check some research that look for Salmonella in gut, and others to the Salmonella in feathers and the environment. Salmonella is part of the natural microbiome, in your mind, for food safety, we must look for control the environmental Salmonella, or try fight the Salmonella in the gut?
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I recently conducted a trial using different protease enzymes available in India on commercial male broilers. There was an improvement in performance in all the groups against the control group with 5% reduction in the total protein content and ideal amino acid ratios. In one of the groups where protease enzyme is supplemented with xylanase, the enzyme had better performance than other groups.
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Park W. Waldroup It is not completely useless if you know the relative value of each phytase product. I suppose the efficacy of each phytase mainly depends on pH optimums and how fast the phytase works and that is why one FTU is not always one FTU in vivo. In Danish pig production, we do not use phytase matrix values when we formulate feed. Instead, each raw material has individual values for the ...
Eduardo Lima likes the comment:
Park W. Waldroup yes this is because FTU is measured at a pH of 5.5 in the method, while the phytase needs to work at lower pH levels. so any phytase which has a pH optimum at 2-4 will have a high activity but might have a lower FTU analysed at pH 5.5 compared to a phytase which has a pH optimum at around 5.5 but much lower activity at pH 2 to 4.
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