Nigerian processed cottonseed meal was substituted for 0, 25, 50, 75 and 100 % portions of dietary groundnut cake on an equi-protein basis. The diets were fed to 50 Large White and Large White x Landrace crossbed pigs from 13.9 kg average weight to 70 kg liveweight in a bi-replicate single-way classification trial. Average daily gain and average daily feed consumption were 0~51,0~52,0*.53,0*55 and 0.56 kg: and 1.67, 1.77, 1.85, 1.84 and 1.82 kg for the respective diets. FeedJgain ratios ranged from 3.25 to 3.49. N o significant differences between diets were seen for either of these parameters. Neither the gross tissue nor the jointed carcass proportions were significantly affected by cottonseed meal substitutions. The mean jiesh weights of the liver and lungs decreased with increasing levels of dietary cottonseed meal but the differences were not significant. None of the pigs showed symptoms of gossypol intoxication. The data suggest that some of the Nigerian-processed cottonseed meals can be combined in various proportions with groundnut cake to supply protein, or used singly, u p to 20 %, in diets for weaner-grower pigs.
Naturally fermented colostrum (1) or colostrum treated (vol/vol) with 1.007o Chemstor(2),l.007oformicacid(3) or0.5OVc(4)0.757o (5)or1'007o(6)of amixture (Chemstor 507o, formalin 3O7o and formic acid 2O7o) were each offered to three 4-day-old Holstein calves. Diets 1, 3 and 4 were completely consumed 4 min after feeding. Diets 2, 5 and 6 were refused to varying degrees.
Three maize-based diets were formulated to contain 25 % each of cooked, or locally roasted full-fat soya bean, or 20% soya bean meal. The diets were fed to 24 Large White, Landrace, Hampshire and Duroc crossbred pigs from 32.75 kg average weight to 60 2 kg liveweight in a single-way classification bireplicate trial. Average daily feed, average daily gain and feed to gain ratios for the respective diets were 2.19, 2.05 and 2.16 kg; 0.58, 0.60 and 0.61 kg; and 3.88, 3.50 and 3.62. These differences were not statistically significant (P > 0.05). The linear measures and jointed proportions of the carcasses, as well as pig organ weights, were statistically the same for the three test diets. The pigs fed full-fat soya bean however produced soft-fat carcasses. These results suggest that full-fat soya bean, which is appropriately heat-processed, may effectively replace soya bean meal in growing-finishing pig diets.
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