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Toplam kayıt 9, listelenen: 1-9
Economic comparison of unenriched and alternative cage systems used in laying hen husbandry - recent experience under Turkish commercial conditions
(Cambridge Univ Press, 2017)
This review provides a comparative analysis on the unenriched and alternative cage systems used in commercial egg production as required by the directive (99/74/EC) of the EU Council on animal welfare in terms of technical ...
Production performance, use of nest box, and external appearance of two strains of laying hens kept in conventional and enriched cages
(Oxford Univ Press, 2015)
The aim of this study was to investigate the differences in production performance, use of nest box, and external appearance of 2 strains of laying hens kept in conventional and enriched cages. Lohmann Brown Classic (LB, ...
Comparison of liver and bone health of two laying hen strains kept in different cage systems
(Eugen Ulmer Gmbh Co, 2016)
Concerns have been increasing about conventional cages for laying hens in connection with welfare. Liver and bone disorders of laying hens are major problems. Therefore, the aim of this experiment was to investigate the ...
Effect of Yucca schidigera additions to different litter materials on broiler performance, footpad dermatitis and litter characteristics
(Eugen Ulmer Gmbh Co, 2014)
The objective of this study was to determine the effects of different levels of Yucca schidigera additions to different litter materials on broiler performance, footpad dermatitis and litter characteristics. A total of ...
Effects of breeder age on mineral contents and weight of yolk sac, embryo development, and hatchability in Pekin ducks
(Oxford Univ Press, 2014)
The current study was carried out to investigate the effects of breeder age on egg composition, changes of embryo, yolk sac, and yolk minerals during incubation and hatchability in Pekin ducks. A total of 495 freshly laid ...
Effect of spraying Pekin duck eggs obtained from different breeder age on hatchability
(Eugen Ulmer Gmbh Co, 2014)
The objective of this study was to determine the effect of spraying Pekin duck eggs obtained from different breeder age on hatchability. Hatching eggs used in this study were obtained from Pekin breeder flock. A total of ...
Effects of hen production cycle and egg weight on egg quality and composition, hatchability, duckling quality, and first-week body weight in Pekin ducks
(Poultry Science Assoc Inc, 2011)
This study was conducted to determine the effect of hen production cycle (HPC) and the effect of egg weight (EW) at the same egg production level on egg quality, egg composition, hatchability, duckling quality, and first-week ...
Body weight and body measurements of male and female Pekin ducks obtained from breeder flocks of different age
(Eugen Ulmer Gmbh Co, 2011)
In total, 144 Pekin ducklings (72 male and 72 female) obtained from breeder flocks of different ages (37 and 135 wks) were used to evaluate body weight and body measurements until 42 days of life. Ducklings were leg-banded ...
Effects of Housing System, Swimming Pool and Slaughter Age on Duck Performance, Carcass and Meat Characteristics
(Medwell Online, 2009)
The aim of this study was to determine the effects of different housing systems, swimming pool and slaughter age on performance, carcass and meat characteristics of ducks. A total of 420 (212 male, 208 female) one day old ...