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Effects of a low-phosphorus diet and exogenous phytase on performance,egg quality,and bacterial colonisation and digestibility of minerals in the digestive tract of laying hens
layers eggshell microbial 3-phytase ileum caecum Lactobacillus spp
2015/12/17
The objective of the experiment was to determine the effects of different levels of phytase (0, 150, 250, and 350 phytase units (FTU)/kg; F) produced by Aspergillus niger in the diets of hens fed decr...
Interaction between oviposition time, age, and environmental temperature and egg quality traits in laying hens and broiler breeders
hen production type age temperature oviposition
2015/6/23
An experiment with laying hens and broiler breeders of two ages (young 22 vs. 36 weeks, old
83 vs. 64 weeks) and at temperatures of 20 and 28°C was carried out to evaluate the interactions between
...
Interaction between housing system and genotype in relation to internal and external egg quality parameters
laying hen conventional cage enriched cage litter genotype egg physical measurements pore density
2015/6/9
The effect of three housing systems (conventional cages, enriched cages and litter) on egg quality parameters was evaluated in two experiments with four brown laying strains ISA Brown, Hisex Brown, Bo...
Egg production, egg quality, and lipid peroxidation status in laying hens maintained at a low ambient temperature (6°C) and fed a vitamin C and vitamin E-supplemented diet
cold stress vitamin C vitamin E
2015/1/28
This experiment was conducted to evaluate the effects of vitamin C (L-ascorbic acid) and vitamin E (α-tocopherol acetate) on egg production, egg quality, lipid peroxidation status (measured as MDA), a...