Chicken meal

Effects of replacing fish, chicken, or poultry by-product meal with fermented soybean meal in diets fed to weanling pigs

Rojas, O. J. and H. H. Stein. 2015. Effects of replacing fish, chicken, or poultry by-product meal with fermented soybean meal in diets fed to weanling pigs. Rev. Colomb. Cienc. Pecu. 28:22-41. Link to full text (.pdf)

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Concentration of digestible and metabolizable energy and digestibility of amino acids in chicken meal, poultry byproduct meal, hydrolyzed porcine intestines, a spent hen–soybean meal mixture, and conventional soybean meal fed to weanling pigs

Rojas, O. J. and H. H. Stein. 2013. Concentration of digestible and metabolizable energy and digestibility of amino acids in chicken meal, poultry byproduct meal, hydrolyzed porcine intestines, a spent hen–soybean meal mixture, and conventional soybean meal fed to weanling pigs. J. Anim. Sci. 91:3220-3230. Link to full text (.pdf)

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Inclusion of fermented soybean meal, chicken meal, or poultry by-product meal in phase 1, phase 2, and phase 3 diets fed to weanling pigs

Rojas Martinez, O. J. and H. H. Stein. 2013. Inclusion of fermented soybean meal, chicken meal, or poultry by-product meal in phase 1, phase 2, and phase 3 diets fed to weanling pigs. J. Anim. Sci. 91(Suppl. 2):115 (Abstr.) Link to abstract (.pdf)

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Concentration of metabolizable energy and digestibility of amino acids in chicken meal, poultry by-product meal, Ultrapro, AV-E Digest, and conventional soybean meal fed to pigs

Rojas, O. J. and H. H. Stein. 2013. Concentration of metabolizable energy and digestibility of amino acids in chicken meal, poultry by-product meal, Ultrapro, AV-E Digest, and conventional soybean meal fed to pigs. J. Anim. Sci. 91(Suppl. 2):26 (Abstr.) Link to abstract (.pdf)

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Amino acid digestibility of alternative animal protein sources fed to weanling pigs

Animal protein sources such as fish meal and protein plasma are often used in diets fed to weanling pigs because the amino acids in these sources are highly digestible and because animal protein sources do not contain the anti-nutritional factors present in soybean meal. However, the cost of fish meal has increased in recent years and there is, therefore, a need for less expensive alternatives.

Chicken meal and and poultry by-product meal are protein ingredients that have a concentration of amino acids similar to that of fish meal. Poultry by-product meal is produced from the offal of carcasses of slaughtered poultry and includes feet, necks, undeveloped eggs, and intestines. Chicken meal is prepared from clean flesh and skin of chickens without or with bone derived from the whole carcass of poultry. The quality of chicken meal and poultry by-product meal depends on the quality of the rendered parts to produce them. Ultrapro is produced from enzymatically hydrolyzed porcine intestines, and AV-E Digest is produced by enzymatically hydrolyzing whole spent hens and extruded egg albumins. Insufficient data exist on the digestibility of crude protein and amino acids in these ingredients.  Therefore, an experiment was conducted to determine the digestibility of crude protein and amino acids in chicken meal, poultry by-product meal, Ultrapro, and AV-E Digest when fed to weanling pigs and to compare these values with values obtained for soybean meal.

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Concentration of digestible and metabolizable energy in chicken meal, poultry by-product meal, Ultrapro, AV-E digest, and conventional soybean meal fed to weanling pigs

Protein sources of animal origin provide highly digestible protein in diets for weanling pigs. Chicken meal consists primarily of skin, flesh, and sometimes bones from processed birds. Poultry by-product meal contains offal from processed chickens, including  feet, necks, beaks, undeveloped eggs, and intestinal contents. AV-E digest consists of enzymatically hydrolyzed spent hens and extruded egg albumin, mixed with a soybean meal carrier. Ultrapro is produced from enzymatically hydrolyzed porcine intestines, which are used in the production of the drug heparin. There is a lack of data on the concentration of digestible and metabolizable energy in all of these ingredients, which limits their use in diets fed to weanling pigs.

An experiment was conducted to determine the concentrations of digestible and metabolizable energy in chicken meal, poultry by-product meal, Ultrapro, and AV-E digest, and to compare these values with soybean meal.

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Nutritional value of animal proteins fed to pigs

Rojas, O. J. and H. H. Stein. 2012. Nutritional value of animal proteins fed to pigs. Pages 9-24 in Proc. Midwest Swine Nutr. Conf. Indianapolis, IN, Sep. 13, 2012. Link to full text (.pdf)

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Effects of replacing chicken meal or poultry by-product meal with fermented soybean meal in phase 1, phase 2, and phase 3 diets fed to weanling pigs

Animal proteins such as milk products, blood products, fish meal, chicken meal (CM), and poultry by-product meal (PBM) are usually used as amino acid sources in diets for weanling pigs because the nutrients in these ingredients are highly digestible and because they do not contain the anti-nutritional factors that are present in conventional soybean meal. Due to the cost of animal protein sources, other alternatives have been investigated. One alternative is soybean meal which has been fermented to destroy antinutritional factors and increase protein digestibility. Fermented soybean meal (FSBM) has been shown to be able to replace milk, blood proteins, and fish meal in diets fed to weanling pigs. However, there are no data on whether or not fermented soybean meal can replace chicken meal and poultry by-product meal. An experiment was, therefore, performed to test the hypothesis that fermented soybean meal can replace chicken meal and poultry by-product meal in diets fed to weanling pigs without negatively affecting growth performance.

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