Molecular Nutrition

Effects of Dietary Pectin on Growth Performance, Body Measurement Traits, Slaughter Performance and Viscera Indices of Yangzhou Geese at 28 to 70 Days of Age

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  • College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China

Received date: 2018-01-18

  Online published: 2018-07-20

Abstract

This experiment was conducted to study the effects of dietary pectin on growth performance, body measurement traits, slaughter performance and viscera indices of Yangzhou geese at 28 to 70 days of age. One hundred and eighty 28-day-old healthy male Yangzhou geese with similar body weight were randomly divided into 3 groups with 6 replicates per group and 10 geese per replicate. Geese in group Ⅰ (control group) were fed a basal diet, and the other geese in the experimental groups Ⅱ and Ⅲ were fed experimental diets supplemented with 1.5% and 3.0% pectin, respectively. The experiment lasted for 42 days. The results showed as follows:1) compared with the control group, diets supplemented with 1.5% and 3.0% pectin significantly decreased the body weight of geese at 42, 56 and 70 days of age (P<0.05), and significantly decreased average daily gain of geese at 28 to 70 days of age (P<0.05), but significantly increased the ratio of feed to gain of geese at 28 to 70 days of age (P<0.05). 2) Compared with the control group, diets supplemented with 3.0% pectin significantly decreased the breast depth and breast width of geese at 70 days of age (P<0.05). 3) Compared with the control group, diets supplemented with 1.5% pectin significantly decreased the percentage of breast muscle of geese at 70 days of age (P<0.05), diets supplemented with 3.0% pectin significantly decreased the percentage of breast muscle and percentage of abdominal fat of geese at 70 days of age (P<0.05). 4) Compared with the control group, diets supplemented with 3.0% pectin significantly increased spleen index and proventriculus index of geese at 70 days of age (P<0.05), and significantly decreased the bursa of Fabricius index and thymus index of geese at 70 days of age (P<0.05). These results show that dietary pectin has negative effects on growth performance, body measurement traits, slaughter performance and viscera indices of Yangzhou geese at 28 to 70 days of age, which suggest that the feeds rich in pectin should be taken seriously in the production practice of geese.

Cite this article

ZHAO Fengzhi, YANG Haiming, XU Lei, WAN Xiaoli, WANG Zhiyue . Effects of Dietary Pectin on Growth Performance, Body Measurement Traits, Slaughter Performance and Viscera Indices of Yangzhou Geese at 28 to 70 Days of Age[J]. Chinese Journal of Animal Nutrition, 2018 , 30(7) : 2717 -2724 . DOI: 10.3969/j.issn.1006-267x.2018.07.032

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