Associative Effects of Diets with Different Ratios of Sunflower Seed Shell, Watermelon Seed Shell or Peanut Shell to Alfalfa by Gas Production Method in Vitro

YUAN Jiu, TANG Defu, WAN Xinjie, HUO Runming, ZHAO Haiwen, WANG Yanna, WANG Juanli, CUI Zhongyong, KOU Wei, LIU Ziqiang, ZHAO Xiangmin, ZHANG Zeyan

doi:10.3969/j.issn.1006-267x.2019.04.034

2019 , Vol. 31 >Issue 4: 1765 - 1772

DOI: https://doi.org/10.3969/j.issn.1006-267x.2019.04.034

Molecular Nutrition

Associative Effects of Diets with Different Ratios of Sunflower Seed Shell, Watermelon Seed Shell or Peanut Shell to Alfalfa by Gas Production Method in Vitro

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1. College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China;
2. Gansu Zhenghe Biotechnology Co., Ltd., Lanzhou 730060, China

Received date: 2018-09-25

Online published: 2019-04-16

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Abstract

This experiment was conducted to investigate the associative effects of diets with different ratios of sunflower seed shell, watermelon seed shell or peanut shell to alfalfa, and to determine the suitable ratios of sunflower seed shell, watermelon seed shell or peanut shell to alfalfa in diets. Fifty combined diets were prepared with the forage-to-concentrate ratio (C:R) was 40:60 and the concentrate supplement:dry fruit shell (sunflower seed shell, watermelon seed shell or peanut shell):alfalfa were 40:50:10, 40:40:20, 40:30:30, 40:20:40 and 40:10:50, respectively. Gas production (GP) of 15 combined diets and 5 individual feed (sunflower seed shell, watermelon seed shell, peanut shell, concentrate supplement and alfalfa) fermented at 0, 2, 4, 6, 9, 12, 24, 36, 48, 72 and 96 h was measured by gas production method in vitro, respectively. The associative effects of combined diets were calculated by taking the GP_{24 h} and the weighted estimated value from each combination. The results showed as follows:the GP_{24 h} of the group of 10% sunflower seed shell was significantly higher than that of the groups of 40% and 50% sunflower seed shell (P<0.05). The associative effect of the group of 10% sunflower seed shell was significantly higher than that of the groups of 50% (P<0.01), 40% (P<0.01) and 30% sunflower seed shell (P<0.05), and the associative effect of groups of 10% and 20% sunflower seed shell was not significant difference (P>0.05). The associative effect of the group of 20% watermelon seed shell was significantly higher than that of the group of 50% watermelon seed shell (P<0.05). The GP_{24 h} and associative effect of the group of 40% peanut shell were significantly higher than those of the group of 50% peanut shell (P<0.05). The associative effect of the groups of 30%, 20% and 10% peanut shell were inclined to be higher than those of the group of 50% peanut shell (P=0.056, P=0.084 and P=0.072). It is concluded that the associative effects of diets are better when sunflower seed shell:alfalfa=10:50 or 20:40, watermelon seed shell:alfalfa=20:40 and peanut shell:alfalfa=40:20 under the condition of C:R is 40:60.

Key words： associative effect; sunflower seed shell; watermelon seed shell; peanut shell; alfalfa; concentrate supplement

Cite this article

YUAN Jiu, TANG Defu, WAN Xinjie, HUO Runming, ZHAO Haiwen, WANG Yanna, WANG Juanli, CUI Zhongyong, KOU Wei, LIU Ziqiang, ZHAO Xiangmin, ZHANG Zeyan . Associative Effects of Diets with Different Ratios of Sunflower Seed Shell, Watermelon Seed Shell or Peanut Shell to Alfalfa by Gas Production Method in Vitro[J]. Chinese Journal of Animal Nutrition, 2019 , 31(4) : 1765 -1772 . DOI: 10.3969/j.issn.1006-267x.2019.04.034

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