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《Heilongjiang Animal Science and Veterinary Medicine》 2017-08
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The determination and analysis of nutritional values of by-products of seven economic crops in Hainan

XU Tieshan;ZHANG Yage;LI Mao;ZHOU Hanlin;Tropical Crops Genetic Resources Institute,Chinese Academy of Tropical Agricultural Sciences;  
To study the utilized value of feedstuffs of by-products of economic crops,main nutritional components and mineral contents of byproducts of seven economic crops in Hainan Province were determined. And then their nutritional values were comprehensive evaluated using membership function method. The results showed that the contents of dry matter,crude protein,crude fat,acid detergent fiber,neutral detergent fiber,tannin,and relative feed values among the main nutrients of byproducts of seven economic crops were ranged from 7. 85% to33. 42%,6. 64% to 22. 50%,1. 72% to 5. 80%,13. 25% to 30. 90%,17. 16% to 33. 30%,5. 24 to 35. 67mg/g and 184. 95 to 426. 86,respectively. The contents of calcium,phosphorus,iron,manganese,copper,and zinc among the mineral contents were ranged from 0. 32% to3. 52%,0. 18% to 0. 58%,208. 29 to 891. 33 mg/kg,66. 92 to 666. 17 mg/kg,3. 46 to 9. 60 mg/kg and 27. 56 to 58. 98 mg/kg,respectively; the ratios of calcium to phosphorus were 0. 65 to 11. 76,respectively. The nutritional values of byproducts of seven economic crops in descending order were as follow: mulberry leaf,papaya stem and leaf,mango peel,watermelon rind,lotus leaf,pitaya stem and leaf,and pitaya peel.
【Fund】: 公益性行业(农业)科研专项(201303143-07-01);; 海南省重大科技项目(ZDKJ2016017-03)
【CateGory Index】: S816.15
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