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Introduction The optimal concentration of nutrients required by growing pigs generally decreases over the growing-finishing period with a phase feeding program used as an attempt to meet the needs of the pigs over the changing requirements. Thus, in commercial production, phase feeding is thought to improve economics and reduce nitrogen excretion by more closely meeting the pig’s nutrient requirements compared to feeding fewer phases. However, in practice, it is...
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The feeding program for poultry has a major influence on profitability as feed cost accounts for up to 75% of production cost. Conventionally, it is assumed that requirements are either listed in tables or breeder nutrition guides. The Requirement Approach stems from the broken line, which is a simplification of bird response and implies that at different levels of energy or nutrients, efficiency does not change or it is zero. Bird response is curvilinear and this implies that diminishing...
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Updated Vitamin Requirements Across Species: Microvit® Nutrition Guide
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Introduction. Organic selenium (OSe) has an advantage in reducing oxidative stress in comparison to inorganic forms and incorporates into skeletal muscles, kidney, liver, and gastrointestinal mucosa proteins as selenomethionine and selenocysteine. It is an essential micronutrient for fish (Martinez-Alvarez et al., 2005). Yeast cell wall has been proven as an immunostimulant and health improver for fish and other animals (Selim & Reda, 2015). Materials...
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ARLINGTON, Va. – July 23, 2020 – The American Feed Industry Association (AFIA) honored two individuals in the animal science field this week at the American Society of Animal Science (ASAS)–Canadian Society of Animal Science–Western Section ASAS virtual annual meeting and tradeshow. Martin Nyachoti, Ph.D., of the University of Manitoba (U of M), received the AFIA-ASAS Non-Ruminant Animal Nutrition Research Award, and Terry Engle, Ph.D., of Colorado State University...
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Extrusion Technologies for Aquafeed and Pet Food at FIGAP 2026
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1. Introduction Various microorganisms, including bacteria and fungi, decisively contribute to the specific characteristics of dry-fermented foods. However, the environmental conditions during the ripening of dry-fermented foods favor colonization of their surface by toxigenic molds that are able to produce mycotoxins on such foods. Aflatoxins have long been a major concern in cheese [1–5] and recent studies have highlighted their presence in dry-cured meats...
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