Canola meal

Evaluation of the nutritional value of sources of canola meal fed to pigs

Canola meal is produced from the rapeseed plant, a relative of broccoli and mustard. Natural rapeseed contains glucosinolates, which make feed unpalatable, and erucic acid, which is toxic to animals. These anti-nutritional factors are heat-stable, and therefore, cannot be removed by heat-treating rapeseed. Rapeseed, which is low in both glucosinolates and erucic acid, has been produced by hybridization, and is called canola in Canada and the United States and 00-rapeseed in Europe. Oil can be removed from canola and rapeseeds via solvent extraction or mechanically expelling. The solvent extraction process results in production of canola meal or 00-rapeseed meal and mechanical expelling of oil results in production of canola expellers or 00-rapeseed expellers.

The objective of this study was to compare the chemical compositions of canola meal from North America and 00-rapeseed meal from Europe and to compare the composition of 00-rapeseed meal and 00-rapeseed expellers.  Ten samples of canola meal were collected from crushing plants in North America, and eleven samples of 00-rapeseed meal and five samples of 00-rapeseed expellers were collected from crushing plants in Europe. The samples were analyzed for energy, fat, sugar, starch, fiber, crude protein, amino acids, and minerals.

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Digestibility of AA in canola-, cotton-, and sunflower-products fed to finishing pigs

González, J. C. and H. H. Stein. 2011. Digestibility of AA in canola-, cotton-, and sunflower-products fed to finishing pigs. J. Anim. Sci. 89(E-Suppl. 2):100 (Abstr.) Link to abstract (.pdf)

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Amino acid digestibility in canola-, cotton- and sunflower-products fed to finishing pigs

Soybean meal is a high quality source of protein for swine diets. Due to the growth in global production of pigs and poultry, demand for soybeans is increasing rapidly, outpacing production. Therefore, other sources of plant protein are being sought to lower feed costs.

The most abundant oilseeds produced in the world, aside from soybeans, are cottonseed, canola seed (rapeseed), and sunflower seed. These may be fed as de-oiled meals, or the full fat seeds can be fed to increase the energy concentration of the diet.

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The effect of canola on reproductive performance in sows

Smiricky-Tjardes, M. R., D. N. Peters, and H. H. Stein. 2003. The effect of canola on reproductive performance in sows. J. Anim. Sci. 81(Suppl. 1):17 (Abstr.) Link to abstract (.pdf)

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