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Dr. Jack Garrett, Ph.D., Director of Technical Services & Research at QualiTech, speaks about organic nutrition in the XXI century at the Latin American Poultry Congress, El Salvador.
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Iron plays an important role in poultry nutrition. From the active site in the heme group in blood to functional groups in enzymes, iron is critical for metabolic balance. These roles for iron aren’t unique to animals, as it is also important in the growth of bacteria, including pathogens. Also, iron is a significant antagonist against minerals, vitamins and other nutrients in diets. The rig ...
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Victor Deike, Thanks for your comment. Blood sources and most animal sources tend to act like iron sulfate, highly available to both pathogens and host animal. I believe that products like SQM Iron, which is chelated with a polysaccharide source is more difficult for the pathogens to utilize. The pure culture work that we are currently conducting is indicating that the polysaccharide chelate o ...
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Dr Valeriy Kryukov , I agree with you completely. But the situation is I'm trying to position a product for the best situation for the company that I work for at this time. It is definitely important for the "science" of feeding livestock for optimum/maximum production both performance and economics. Research on multiple chelated products in the market is absolutely necessary for the scientifi ...
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Dr Valeriy Kryukov We have conducted this broiler study twice and seen very similar results in both study with regard to reduced pathogen levels in the intestinal tract as well as improved performance by the broilers. We are currently involved in conducting pure culture studies on different strains of pathogens (E coli, Clostridium p., Salmonella, Cocci). The initial findings are showing the sa ...
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Introduction: Pathogens and Iron Requirement E. coli accumulate large amounts of iron via multiple transport systems including enterochelin transport system (McIntosh and Earhart, 1977). Three tetracyclines were found to possess iron-chelating activity as part of the antibiotic activity. (Greinier et al., 2000) Clostridium perfringens produced larger colonies, with…ferredoxin, than tha ...
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First on the trace minerals: commercial diets contain margins of safety for trace minerals and vitamins. The extra trace minerals had increased over time. Data started being published suggesting that the excess trace minerals may be negative for productivity along with being a potential environmental concern. Thus, the levels have been reducing to be closer to requirements. You are correct that or ...
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A large number of commercial proteases have chymotrypsin type activity and oriented toward hydrophobic amide bonds. What type activity does your protease have? Would it affect other supplemental enzymes such as amylase or phytase?
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Ricardo Hume Dear Ricardo, 100% agree with your opinion. CV 5% is easy to reach, because if we will spray methionine into the mixer, during the mixing process, feed mix becomes to be (theoretically, if mixer is well adjusted) 100% homogenic, in splite of different size and specific density of ingredients. After the end of mixing process, during feed transportation, stratification is possible, but ...
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  Introduction The use of exogenous proteases in poultry diets has gained momentum during the last decade. The first commercial protease was introduced into the poultry feed market in the 1990s in combination with other enzymes, with the aim to increase the energy and protein digestibility of grain and oilseed meal based diets (Simbaya et al., 1996). A number of proteases are now available ...
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Location:Moscow, Moscow City, Russian Federation
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Occupation: Doctor in Biological Sciences
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