Canola meal

Energy concentration in canola, cottonseed, and sunflower products fed to growing 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 sometimes used in diets to supply indispensable AA to the animals.

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

There are no recent data on energy digestibility in canola, cotton, and sunflower products. Therefore, an experiment was conducted to measure the digestible energy (DE) and metabolizable energy (ME) in canola seeds (CS), canola meal (CM), cottonseed meal (CSM), sunflower seeds (SFS), sunflower meal (SFM), and dehulled sunflower meal (SFM-DH), and to compare these values to the DE and ME in soybean meal (SBM).

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Amino acid digestibility in four sources of canola meal and 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. The oil is extracted for use in cooking and agriculture, leaving a high-protein meal that can be used in livestock feeding. Although the concentration of protein and amino acids and the amino acid profile of canola meal is less desirable than that of soybean meal, its relatively low cost may make it an attractive option for producers. Recently, new varieties of canola that contain more protein and less fiber 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.  However, there is no information about the digestibility of amino acid in high protein canola meal when fed to pigs.

It has also 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 are, however, no comparative data between meals produced using the traditional high temperature procedure and meals produced using the low-temperature procedure.

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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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