North American Rendering: processing high quality protein and fats for feed

Abstract

-One third to one half of each animal produced for meat, milk, eggs, and fiber is not consumed by humans. These raw materials are subjected to rendering processes resulting in many useful products. Meat and bone meal, meat meal, poultry meal, hydrolyzed feather meal, blood meal, fish meal, and animal fats are the primary products resulting from the rendering process. The most important and valuable use for these animal by-products is as feed ingredients for livestock, poultry, aquaculture, and companion animals. There are volumes of scientific references validating the nutritional qualities of these products, and there are no scientific reasons for altering the practice of feeding rendered products to animals. Government agencies regulate the processing of food and feed, and the rendering industry is scrutinized often. In addition, industry programs include good manufacturing practices, HACCP, Codes of Practice, and third-party certification. The rendering industry clearly understands its role in the safe and nutritious production of animal feed ingredients and has done it very effectively for over 100 years. The availability of rendered products for animal feeds in the future depends on regulation and the market. Regulatory agencies will determine whether certain raw materials can be used for animal feed. The National Renderers Association (NRA) supports the use of science as the basis for regulation while aesthetics, product specifications, and quality differences should be left to the market place. Without the rendering industry, the accumulation of unprocessed animal by-products would impede the meat industries and pose a serious potential hazard to animal and human health.Key Words: feed, ingredients, manufacturing practices, rendering North American Rendering -processamento de proteínas e gorduras de alta qualidade para alimentos para animais RESUMO -De um terço a metade da produção animal para carne, leite, ovos e fibra, não são consumidos pelos seres humanos. Estes materiais não consumidos são sujeitos a processamento em graxarias e indústrias de alimentos de origem animal, resultando em uma série de produtos úteis. Entre estes produtos incluem-se farinha de carne e ossos, farinha de carne, farinha de co-produtos de abatedouros de aves, farinha hidrolisada de penas, farinha de sangue, farinha de peixe, e gorduras animais são os produtos primários resultantes dos processos de graxarias. O mais importante e valoroso uso para estes co-produtos de origem animal é a utilização como ingredientes alimentares para compor dietas e rações para bovinos, suínos, aves, peixes e animais de companhia. Há numerosas referências científicas validando as qualidades nutricionais destes produtos, e não há razões científicas para alterar a prática de uso destes co-produtos para os animais. As agências governamentais regulam o processamento de alimentos tanto para animais como para humanos, e a indústria de alimentos de origem animal é monitorada frequentemente. Além disso, os programas destas indústrias adotam as boa...

Response of the modern lactating sow and progeny to source and level of supplemental dietary fat during high ambient temperatures

“…Even though increased levels of FFA seem to reduce the digestibility of fats (Powles et al, 1995), animal performance may be affected only with quantities greater than 35% (DeRouchey et al, 2004). The initial peroxide value was not different between the 2 sources of fat, and these values indicate that the 2 sources of fat were low-rancid fats (Meeker, 2009). However, exposure to oxygen and heat for 4 h rapidly increased the peroxide value for the A-V blend, indicating a greater susceptibility to oxidation for the A-V blend than for CWG.…”

“…A wide range of fat sources are available for livestock nutrition. Rendered animal fats and recycled restaurant oils represent a substantial proportion of fat sources that are used for animal nutrition (Meeker, 2009). The 2 sources used in the present study were A-V blend and CWG.…”

Thermophysical Properties of Hydrolyzed By‐products From the Meat Industry

“…2006; Zhang et al . 2006) in animal feed (Lesson and Summers 1997; Bellaver 2001; Meeker 2009). However, the direct use of unprocessed animal by‐products is unfeasible (e.g., Robinson and Li 1996; Jamdar and Harikumar 2008).…”

“…A growing availability of residuals from poultry slaughterhouses is an important consequence of the large production volume and aforementioned expansion of the poultry meat industry in Brazil (Magdelaine 2003;Ueki 2006;Windhorst 2006). The ratio of animal by-products not consumed by humans to the overall processed meat is between 30 and 50% (Lesson and Summers 1997;Bellaver 2001;Meeker 2009). The main application of this large amount of raw materials is as a rich source of protein (Webster et al 2000;Bharadwaj et al 2002;Jamdar and Harikumar 2005;Rawles et al 2006;Zhang et al 2006) in animal feed (Lesson and Summers 1997;Bellaver 2001;Meeker 2009).…”

“…The ratio of animal by-products not consumed by humans to the overall processed meat is between 30 and 50% (Lesson and Summers 1997;Bellaver 2001;Meeker 2009). The main application of this large amount of raw materials is as a rich source of protein (Webster et al 2000;Bharadwaj et al 2002;Jamdar and Harikumar 2005;Rawles et al 2006;Zhang et al 2006) in animal feed (Lesson and Summers 1997;Bellaver 2001;Meeker 2009). However, the direct use of unprocessed animal by-products is unfeasible (e.g., Robinson and Li 1996;Jamdar and Harikumar 2008).…”