Biotin Requirements and Foot Pad Lesions of Peking Ducks during the Starter Period

ZHU Yongwen, HOU Shuisheng, YANG Lin, HUANG Wei, XIE Ming

doi:10.3969/j.issn.1006-267x.2012.02.009

Chinese Journal of Animal Nutrition >

2012 , Vol. 24 >Issue 2: 252 - 258

DOI: https://doi.org/10.3969/j.issn.1006-267x.2012.02.009

Swine and Poultry Nutrition

Biotin Requirements and Foot Pad Lesions of Peking Ducks during the Starter Period

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1. Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China;
2. South China Agricultural University, Guangzhou, 510042, China

Received date: 2011-08-23

Online published: 2012-02-07

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Abstract

This study was conducted to investigate the effects of different levels of biotin on the growth performance of Peking ducks and to observe foot pad lesions of biotin-deficient ducks. A total of 480 one-day-old male Peking ducks with an average body weight were randomly allotted into 10 groups with 6 replicates per group and 8 ducks in each replicate. The supplement levels in the diet were 0, 0.03, 0.06, 0.09, 0.12, 0.15, 0.18, 0.21, 1.50 mg/kg biotin and 3 g/kg white egg power, respectively. The experiment lasted for 4 weeks. The results showed that the average daily feed intake and average daily gain of Peking ducks were improved with the increasing level of dietary biotin at 21 days of age (P<0.05), but there was no significant difference in ratio of feed to gain (P>0.05). Ducks in each treatment showed various degrees of foot pad lesions, and the foot pad lesions of ducks fed the diet added white egg power were the most serious. Diets supplemented with more than 0.15 mg/kg biotin can effectively prevent the foot pad lesions. Different levels of biotin affected the phospholipids in liver and the activities of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) in serum at 28 days of age (P<0.05). It is identified that based on the body weight gain, the optimum requirements of biotin are 0.180 mg/kg (estimated by broken-line model) and 0.202 mg/kg (estimated by quadratic model), respectively. And it is point out that there is a relationship between dehydration and foot pad lesions.

Key words： biotin; Peking ducks; requirement; foot pad lesions

Cite this article

ZHU Yongwen, HOU Shuisheng, YANG Lin, HUANG Wei, XIE Ming . Biotin Requirements and Foot Pad Lesions of Peking Ducks during the Starter Period[J]. Chinese Journal of Animal Nutrition, 2012 , 24(2) : 252 -258 . DOI: 10.3969/j.issn.1006-267x.2012.02.009

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