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Lack of access to an open water source for bathing inhibited the development of the preen gland and preening behavior in Sanshui White ducks

文献类型： 外文期刊

作者： Mi, Jiandui 1 ; Wang, Hongling 1 ; Chen, Xiaohui 1 ; Hartcher, Kate 5 ; Wang, Yan 1 ; Wu, Yinbao 1 ; Liao, Xindi 1 ;

作者机构： 1.South China Agr Univ, Natl Engn Res Ctr Breeding Swine Ind, Coll Anim Sci, Guangzhou 510642, Peoples R China

2.South China Agr Univ, Minist Agr, Key Lab Trop Agr Environm, Guangzhou 510642, Peoples R China

3.Minist Agr, Guangdong Prov Key Lab Agroanim Genom & Mol Breed, Guangzhou 510642, Peoples R China

4.Minist Agr, Key Lab Chicken Genet Breeding & Reprod, Guangzhou 510642, Peoples R China

5.Univ Queensland, Ctr Anim Welf & Eth, St Lucia, Qld 4072, Australia

关键词： preen gland; preening behavior; duck; welfare

期刊名称：POULTRY SCIENCE （ 影响因子：3.352； 五年影响因子：3.679 ）

ISSN：

年卷期： 2020 年 99 卷 11 期

页码：

收录情况： SCI

摘要： As a species of waterfowl, ducks rely on access to water to facilitate feeding behaviors. Further, wet preening behavior in ducks relies on access to water and is a key behavior for duck welfare. Traditionally, Chinese duck farms provide not only free access to drinking water in the duck house but also an open water pool outside of the house. However, recent restrictions prohibit the use of an open water pool for raising ducks in some areas of China. Little is known about the effects of not providing an open water pool on duck welfare, in particular, the development of the preen gland and wet preening behaviors. The preen gland secretes oil which is crucial for maintaining plumage conditions. A total of one hundred twenty 1-day-old Sanshui White ducks (SSWD) were randomly divided into 2 groups and fed for 6 wk with access to a water pool (WP) or without access to a water pool and provided drinking water only (LWP). The live body weights of ducks from the WP group were significantly increased compared with those of ducks in theLWP group starting from 3 wks of age (P < 0.05). Feed intake was increased in the WP group at 2 wk of age and from 4 to 6 wk of age (P < 0.05). The feed conversion ratio (FCR) was significantly different only at 4 and 5 wks of age, when the FCR was increased by 5.7% and 9.5%, respectively, in the LWP group compared with theWP group (P < 0.05). Lack of access to an open water pool significantly inhibited the growth of the preen gland based on its weight, size, and quantity of oil secretions (P < 0.05). In addition, the proportion of ducks exhibiting wet preening behavior was significantly reduced in the LWP group compared with the WP group (5.5 +/- 0.2% vs. 24.8 6 2.1%, P < 0.05). This study indicated that a lack of access to an open water source had negative impacts on the development of the preen gland and on the preening behavior of SSWD.

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