Soybean meal

Amino acid digestibility in field peas, fish meal, corn, soybean meal, and soybean hulls

Mathai, J. K. and H. H. Stein. 2014. Amino acid digestibility in field peas, fish meal, corn, soybean meal, and soybean hulls. J. Anim. Sci 92(E-Suppl. 2):648 (Abstr.) Link to abstract (.pdf)

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Phosphorus digestibility in high protein canola meals, conventional canola meal, and soybean meal fed to growing pigs

Parr, C. K., Y. Liu, C. M. Parsons, and H. H. Stein. 2014. Phosphorus digestibility in high protein canola meals, conventional canola meal, and soybean meal fed to growing pigs. J. Anim. Sci 92(E-Suppl. 2):641 (Abstr.) Link to abstract (.pdf)

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Standardized total tract digestibility of phosphorus in copra meal, palm kernel expellers, palm kernel meal, and soybean meal fed to growing pigs

Almaguer, B. L., R. C. Sulabo, Y. Liu, and H. H. Stein. 2014. Standardized total tract digestibility of phosphorus in copra meal, palm kernel expellers, palm kernel meal, and soybean meal fed to growing pigs. J. Anim. Sci. 92:2473-2480. Link to full text (.pdf)

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Illinois soybean farmers can support the livestock industry

Stein, H. H. 2014. Illinois soybean farmers can support the livestock industry. Page 5 in Illinois Field & Bean, March 2014. Link to full text (.pdf)

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Concentrations of digestible and metabolizable and net energy in soybean meal produced throughout the United States and fed to pigs

Sotak, K. M. and H. H. Stein. 2014. Concentrations of digestible and metabolizable and net energy in soybean meal produced throughout the United States and fed to pigs. J. Anim. Sci. 92(Suppl. 2):68-69 (Abstr.) Link to abstract (.pdf)

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Concentrations of digestible, metabolizable, and net energy in soybean meal produced in different areas of the United States and fed to pigs

One factor that affects the chemical composition of soybeans and soybean meal is where the beans were grown. For instance, soybeans grown in the northern United States contain less crude protein than soybeans grown further south. As a result, soybean meal produced from beans grown in the Northern United States often contain less crude protein than soybean meal produced from beans grown further south. However, less is known about how the concentrations of digestible (DE), metabolizable (ME), and net (NE) energy differs among meals produced from soybeans grown in different areas of the U.S. Therefore, an experiment was conducted to determine the digestibility of energy and concentrations of DE, ME, and NE in soybean meal produced from soybeans grown in different areas of the U.S. and fed to growing pigs.

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Performance and carcass characteristics of growing and finishing pigs fed diets containing high protein or conventional canola meal

Canola meal can be used as a source of protein in swine diets, but conventional canola meal contains less protein than soybean meal. In recent years, new varieties of canola have been developed with seeds that contain more protein and less fiber than conventional canola seeds. The meal from these new varieties of canola has a protein content similar to that of soybean meal.

Previous research at the University of Illinois demonstrated that diets containing at least 30% high protein canola meal (CM-HP) or conventional canola meal (CM-CV) could be fed to nursery pigs without reducing growth performance. It has not yet been determined how much soybean meal can be replaced by conventional or high protein canola meal in diets for growing-finishing pigs without affecting growth performance or carcass characteristics. Therefore, an experiment was performed to determine the optimum inclusion rate of high-protein and conventional meal in diets fed to growing and finishing pigs.

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Coefficient of standardized ileal digestibility of amino acids in corn, soybean meal, corn gluten meal, high-protein distillers dried grains, and field peas fed to weanling pigs (Short communication)

Petersen, G. I., Y. Liu, and H. H. Stein. 2014. Coefficient of standardized ileal digestibility of amino acids in corn, soybean meal, corn gluten meal, high-protein distillers dried grains, and field peas fed to weanling pigs (Short communication). Anim. Feed Sci. Technol. 188:145-149. Link to full text (.pdf)

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Efeitos do melhoramento genético e técnicas de processamento na utilização do farelo de soja por suínos

Almeida, F. N. and H. H. Stein. 2013. Efeitos do melhoramento genético e técnicas de processamento na utilização do farelo de soja por suínos. "Americas: International Conference on Soybean Utilization", Oct 22-24, 2013, Bento Gonçalves, RS, Brazil. Link to full text (.pdf)

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Energy and phosphorus digestibility by weanling pigs of Lemna Protein Concentrate, fish meal, and soybean meal

Lemna Protein Concentrate (LPC) is derived from the leaves of duckweed, one of several rapidly-growing aquatic plants of the genus Lemna. LPC is produced by de-oiling and de-hydrating leaves and stems of the duckweed plant. Duckweed has a number of advantages as a protein source. It is relatively inexpensive to produce and requires less growing area and fewer inputs than other plant protein sources such as soybean products. In addition, LPC has a favorable amino acid profile for use in swine diets. No published data exist on the nutritional value of LPC as fed to pigs. Therefore, two experiments were conducted to determine the concentration of digestible and metabolizable energy and the digestibility of phosphorus in Lemna Protein Concentrate.

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Concentration of digestible, metabolizable, and net energy and digestibility of energy and nutrients in fermented soybean meal, conventional soybean meal, and fish meal fed to weanling pigs

Rojas, O. J. and H. H. Stein. 2013. Concentration of digestible, metabolizable, and net energy and digestibility of energy and nutrients in fermented soybean meal, conventional soybean meal, and fish meal fed to weanling pigs. J. Anim. Sci. 91:4397-4405. Link to full text (.pdf)

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Effects of adjusting the standardized ileal digestibility (SID) amino acids in heat damaged soybean meal (SBM) or distillers dried grains with solubles (DDGS) in diets on performance of weanling pigs

Almeida, F. N., J. K. Htoo, J. Thomson, and H. H. Stein. 2013. Effects of adjusting the standardized ileal digestibility (SID) amino acids in heat damaged soybean meal (SBM) or distillers dried grains with solubles (DDGS) in diets on performance of weanling pigs. J. Anim. Sci. 91(E-Suppl. 2):686 (Abstr.) Link to abstract

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Nutritional value of soy products fed to pigs

Stein, H. H., J. A. Roth, K. M. Sotak, and O. J. Rojas. 2013. Nutritional value of soy products fed to pigs. Swine Focus #004. Link to full text (.pdf)

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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Digestible and metabolizable energy concentration in 4 sources of canola meal and in soybean meal fed to growing pigs

Due to the increasing demand for protein for livestock feeding, the interest in using canola meal in diets fed to swine is increasing. Canola meal is a product of the rapeseed plant, an abundant oilseed crop grown in Canada, the Northern United States, and parts of Europe. Recently, new varieties of canola that contain more protein and less fiber than conventional canola have been selected. The de-oiled meals of these varieties have a concentration of crude protein that is close to that of de-hulled soybean meal.

It has been speculated that changes in the traditional pre-press solvent extraction oil removal procedure may improve the quality of canola meal. The traditional procedure involves use of heat to desolventise the de-oiled meal, but a new procedure allows for production of canola meal using a low-temperature procedure.

There is no information about the digestibility of energy in high protein canola meal. There also is no data comparing the digestibility of energy in canola meal processed at low temperatures versus high temperatures. Therefore, an experiment was conducted to compare the concentrations of digestible energy (DE) and metabolizable energy (ME) in high protein, high-temperature-processed, low-temperature-processed, and commercial canola meals, and to compare these values with the DE and ME in corn and soybean meal.

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Energy, phosphorus, and amino acid digestibility in Lemna protein concentrate, fish meal, and soybean meal fed to weanling pigs

Rojas, O. J. and H. H. Stein. 2012. Energy, phosphorus, and amino acid digestibility in Lemna protein concentrate, fish meal, and soybean meal fed to weanling pigs. J. Anim. Sci. 90(E-Suppl. 3):467 (Abstr.) Link to abstract (.pdf)

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Soybean meal fed to pigs

Stein, H. H. 2012. Soybean meal fed to pigs. White paper presented at the International Poultry Expo, Atlanta, GA, January 24-16, 2012. Link to full text (.pdf)

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Amino acid digestibility in heated soybean meal fed to growing pigs

Soybean meal fed to pigs undergoes heat treatment to destroy trypsin inhibitors and other antinutritional factors that impair the digestion of protein and thus reduce performance. However, heat treatment can damage nutrients as well. In particular, the Maillard reaction reduces amino acid digestibility by combining amino acids with sugars to produce biologically unavailable compounds.

An experiment was conducted to determine the digestibility of amino acids in pigs fed soybean meal that had been heat treated in varying ways and for varying times. Conventional soybean meal was divided into four batches. One batch was not heated; one was autoclaved at 125°C for 15 minutes; one was autoclaved at 125°C for 30 minutes; and the last one was oven dried at 125°C for 30 minutes. Ten growing barrows were fed a total of five different diets. The experimental diets contained 40% each of the four different soybean meals being tested. An N-free diet was also formulated and fed to measure the basal endogenous loss of protein and amino acids.

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Dietary soybean oil and choice white grease improve apparent ileal digestibility of amino acids in swine diets containing corn, soybean meal, and distillers dried grains with solubles

Kil, D. Y. and H. H. Stein. 2011. Dietary soybean oil and choice white grease improve apparent ileal digestibility of amino acids in swine diets containing corn, soybean meal, and distillers dried grains with solubles. Rev. Colomb. Cienc. Pecu. 24:248-253. Link to full text (.pdf)

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Amino acid digestibility in heated soybean meal fed to growing pigs

González-Vega, J. C., B. G. Kim, J. K. Htoo, A. Lemme, and H. H. Stein. 2011. Amino acid digestibility in heated soybean meal fed to growing pigs. J. Anim. Sci. 89:3617-3625. Link to full text (.pdf)

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