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Comparative Effects of Phytase Derived from Escherichia coli and Aspergillus niger in Sixty Eight-week-old Laying Hens Fed Corn-soy Diet
Laying Hens Phytase Egg Quality Egg Production Serum
2016/5/3
Two hundred and sixteen 68-week-old Hy-Line brown laying hens were used in a 6-week feeding trial to compare the efficacy of phytases Optiphos (OPT) and Natuphos (NAT), which were isolated from Escher...
Effects of Chilled Drinking Water on Performance of Laying Hens during Constant High Ambient Temperature
Chilled Drinking Water Egg Production Egg Quality Heat Stress Laying Hen
2016/4/29
The present study was conducted to evaluate the effect of chilled drinking water on the productivity of laying hens under constant high ambient temperature. A total of seventy-two, 123-day-old Hy-line...
Effect of Claw Abrasives in Cages on Claw Condition, Feather Cover and Mortality of Laying Hens
Laying Hens Claw Abrasives Mortality
2016/4/18
A trial was conducted to determine the effect of abrasive strips and abrasive paint in layer cages on claw length and claw sharpness, foot condition, feather cover and mortality of hens. During the pr...