Replacement of soyabean meal with dehydrated lupin ...
|Title||Replacement of soyabean meal with dehydrated lupin seeds in pig diets|
|Author(s)||B. C. Donovan, Mary A. McNiven, T. A. van Lunen, D. M. Anderson, J. A. MacLeod|
|Journal||Animal Feed Science and Technology|
|Abstract||120 pigs, 11.6 kg, were fed on barley-based diets in which 0, 25, 50, 75 or 100% of supplementary soyabean meal protein was replaced by dehydrated lupin seed (Lupinus albus cultivar Ultra). Starter pigs (10-20 kg) given the 25% lupin diet (25% L) had similar growth rates and consumed more feed (P<0.05), relative to those given 0% L, but there was a linear decrease in feed intake and weight gain of starter pigs with higher concentrations of lupins in the diet (P<0.05). This may have been due to the high fibre levels in lupin seeds. Increasing levels of lupin seeds adversely affected feed conversion efficiency and body weight gain of grower pigs (21-50 kg) (P<0.05), but not feed intake. Finisher pigs (51-95 kg) given 100% L or 0% L had similar feed intakes and body weight gains, but increasing dietary lupin seeds adversely affected feed efficiency (P<0.05). Dressing percent, lean yield class value and commercial grade index of pigs were not affected by amount of lupin seeds in the diet. Lupin seeds included at 6% of the diet (25% L) for starter pigs, 12% of the diet (75% L) for grower pigs and 9% (75% L) for finisher pigs gave a growth performance similar to those obtained with the barley-based diet containing soyabean meal as sole source of supplemental protein..|
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