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Effect of Complete Feed Feeding Level and Morning Glory on Growing Pig Performance

Open Journal of Animal Sciences 2020年第3期10卷 493-501页

作者： samorn sreng Sath Keo J. M. DeRouchey M. D. Tokach Lyda Hok J. L. Vipham Faculty of Animal Science Royal University of Agriculture Phnom Penh Cambodia Faculty of Veterinary Medicine Royal University of Agriculture Phnom Penh Cambodia Department of Animal Sciences and Industry Kansas State University Manhattan USA Faculty of Agronomy Royal University of Agriculture Phnom Penh Cambodia Center of Excellence on Sustainable Agricultural Intensification and Nutrition Royal University of Agriculture Phnom Penh Cambodia

A total of 60 castrated male pigs (Yorkshire x Duroc, initially 17.36 kg) were used in a 42-day trial to evaluate the effect of complete feed feeding level and morning glory on growth performance of growing pigs. Pigs were allotted to pens and randomly assigned to three dietary treatments: A) completed feed fed ad libitum;B) complete feed fed at 75% of intake of treatment A, and C) treatment B with ad libitum availability of morning glory. The design was a completely randomized design (CRD) with five pens (replications) of each treatment with four pigs per pen. Average daily feed intake (dry matter basis) was higher (P ad libitum was greater (P ad libitum or pigs restricted fed but provided morning glory (1.63, 1.56 and 1.65, respectively). For economics, feeding complete feed ad libitum improved (P ad libitum resulted in the greatest growth rate and profitability. Offering morning glory (Ipomoea. aquatica) to pigs fed a restricted level of complete feed did improve final body weight, but the extra cost of feeding morning glory offset this advantage resulting in similar profitability on an income over feed cost basis.

关键词： Complete Feed Feed Restriction Growing Pig Growth Performance Morning Glory

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Effect of Dietary Supplement, Base Mix, and/or Soybean Meal on Growing Pig Performance

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Open Journal of Animal Sciences 2020年第3期10卷 535-544页

作者： samorn sreng Sath Keo J. M. DeRouchey M. D. Tokach Bunna Chea Kroesna Kang Lyda Hok J. L. Vipham Faculty of Animal Science Royal University of Agriculture Phnom Penh Cambodia Faculty of Veterinary Medicine Royal University of Agriculture Phnom Penh Cambodia Department of Animal Sciences and Industry Kansas State University Manhattan USA Faculty of Agronomy Royal University of Agriculture Phnom Penh Cambodia Center of Excellence on Sustainable Agricultural Intensification and Nutrition Royal University of Agriculture Phnom Penh Cambodia

A total of 60 crossbred pigs (Yorkshire × Duroc, initially 56.5 kg) were used in a 42-day trial to evaluate the effect of replacing a commercial high protein supplement with soybean meal and/or a base mix in rice bran-based diets on pig growth performance. Pigs were allotted to pens by body weight and pens were randomly assigned to dietary treatments in completely randomized design. There were 4 dietary treatments with 3 or 4 replicate pens per treatment and 4 pigs per pen. Dietary treatments were: 1) 80% rice bran with 20% high protein supplement (RBS20), 2) 95% rice bran with 5% high protein supplement (RBS5), 3) 97.5% rice bran with 2.5% base mix (RBB2.5), and 4) 92.5% rice bran with 5% soybean meal and 2.5% base mix (RBSBB). The base mix included vitamins, macro and trace minerals, L-Lysine, L-Threonine, and DL-Methionine. Overall (d 0 to 42) average daily gain was greater (P < 0.001) for pigs fed RBSBB and RBS20 diets than pigs fed the RBS5 or RBB2.5 diets. Pigs fed the RBS5 diet had reduced (P < 0.004) average daily feed intake compared to all other treatments. Similarly, feed efficiency (feed/gain) was improved (P < 0.004) for pigs fed RBSBB and RBS20 diets compared with pigs fed RBS5 or RBB2.5. For economics, income over feed cost was the greatest (P < 0.01) for the diet containing soybean meal and base mix compared to pigs fed the RBS20 diet, SBS5, and RBB2.5. In conclusion, feeding pigs a rice bran diet with base mix and soybean meal had similar growth performance and increased economic return compared to feeding a rice bran diet with high protein supplement. Use of soybean meal and base mix provides an opportunity for increased economic return for pig farmers.

关键词： Base Mix Growing Pigs Growth Performance Rice Bran Soybean Meal

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