| Abstract: | Recommendations for Rape Breeding in regard to Animal Nutrition Full-fat rapeseed is one of the feedstuffs with the highest energy content. In rapeseed meal (RSM), protein and amino acids, however, also cell wall constituents and harmful substances mainly glucosinolates, are enriched. The content of lignin is 8 %. This “undigestible” part causes the low digestibility and energy content. In pigs dose-effect-relationships were investigated between dietary glucosinolates and growth, feed intake, weight as well as iodine content of thyroid, thyroid hormone concentration of blood serum and further criteria. The “no-observed-effect level” for pigs is in the range from 2 to 3 mmol glucosinolates/kg feed. In rapeseed the glucosinolate content should be lowered generally to < 30 mmol/kg defatted seed. The breeding of low hull varieties increases the energy content of RSM. With regard to produced pork the quality of rape fat will be better if it would contain more oleic acid instead of linoleic and linolenic acid. |
