Modification of laying hen cages to improve behavior
نویسندگان
چکیده
منابع مشابه
Exterior egg quality as affected by enrichment resources layout in furnished laying-hen cages
OBJECTIVE This study aimed to investigate the effects of enrichment resources (a perch, dustbath, and nest) layout in furnished laying-hen cages (FC) on exterior quality of eggs. METHODS One hundred and sixty-eight (168) Hy-Line Brown laying hens at 16 weeks of age were randomly distributed to four treatments: small furnished cages (SFC), medium furnished cages type I (MFC-I), medium furnishe...
متن کاملLaying Hen Welfare Fact Sheet
among the major stressors in poultry that cause suffering and death of chickens. Beak trimming, removal of 1/3 to 1/2 of the beak, is a routine husbandry procedure practiced in the poultry industry, including laying hens, broiler breeders, turkey and ducks, to prevent those undesirable behaviors. However, beak trimming is a painful procedure. There is a considerable body of morphological, neuro...
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The fatty acid composition of eggs is highly reflective of the diet of the laying hen; therefore, nutritionally important fatty acids can be increased in eggs in order to benefit human health. To explore the factors affecting the hen's metabolism and deposition of fatty acids of interest, the current research was divided into two studies. In Study 1, the fatty acid profile of eggs from Bovan Wh...
متن کاملLiterature review of laying hen preferences
Revision [final] Project co-funded by the European Commission within the Sixth Framework Programme (2002-2006) Dissemination Level PU Public PP Restricted to other programme participants (including the Commission Services) x RE Restricted to a group specified by the consortium (including the Commission Services) CO Confidential, only for members of the consortium (including the Commission Servi...
متن کاملEgg Iron Enrichment in Response to Various Levels of Pomegranate by-Product in Laying Hen Diet
The present study was conducted to investigate the effects of different levels of pomegranate by- product (PBP) on performance, egg quality and blood parameters in laying hens. A total of 144 Bobze layer hens from 44 to 56 weeks during 12 weeks were randomly assigned into 4 treatments including 0 (control, corn and soy bean meal), 4, 8 and 12% of PBP, with 4 replicates and 9 layers in each. Res...
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ژورنال
عنوان ژورنال: Poultry Science
سال: 1998
ISSN: 0032-5791
DOI: 10.1093/ps/77.12.1828