Results 41 to 50 of about 7,706 (157)
Veterinary Medicine and Science, 2021 The nutritional values of limestone, oyster shell and extruded eggshells were evaluated using different methods. In total, 120 ready‐to‐lay pullets, 18‐week‐old ISA Brown were distributed into six dietary groups, namely D1 (4% limestone), D2 (8 ...
Mohammad Aminul Islam +1 more
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Effect of fortification with eggshell powder on injera quality
LWT, 2022 Authors wish to mention Women for Africa Foundation and International Relations and Cooperation Office from Universidad Pública de Navarra for the financial support of Mrs. Fekadu.
Tigist Fekadu +3 more
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Is the Eggshell Quality Influenced by the Egg Weight or the Breeder Age?
Brazilian Journal of Poultry ScienceFor a long time, it has been said that eggshell quality decreases as eggs increase in size, but this increase is seen as the breeder age advances. Therefore, the present study aimed to evaluate the age and egg weight effect on Cobb 500 broiler breeders ...
FSG Crosara +10 more
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Czech Journal of Animal Science, 2011 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, Bovans Brown and Moravia BSL. During 40 weeks of lay the
E. Tůmová +3 more
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Effects of Caffeine on Egg Quality and Performance of Laying Hens
Frontiers in Veterinary Science, 2020 This study's objective was to determine the effects of caffeine intake at various levels, incorporated in the layers' food, on performance and egg quality of hens. A total of 576 hens, aged 56 weeks, were used.
Mailson da Silva Teixeira +4 more
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INTERNAL AND EXTERNAL QUALITY OF COMMERCIAL LAYING HENS EGGS WITH NORMAL AND VITREOUS EGGSHELL
Ciência Animal Brasileira, 2016 The objective of this study was to evaluate the internal and external quality of eggs classified as eggs with normal eggshell and eggs with vitreous eggshell, produced by hens at three different ages.
Daniela Reis Vilela +3 more
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Effect of Dietary Acetylsalicylic Acid on Eggshell Quality
Poultry Science, 1991 Abstract Acetylsalicylic acid (aspirin) is an inhibitor of prostaglandin synthesis. Many soft-shelled (SS) and shell-less (SL) eggs are laid prematurely. It is hypothesized that prostaglandins may be responsible for the premature expulsion of some SS or SL eggs.
JANICE M. BALOG, PATRICIA Y. HESTER
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Eggshell Quality and Hatchability in Broiler Breeder Eggs ,
Poultry Science, 1987 Abstract Relationships among selected variables of eggshell quality in broiler breeder eggs were determined over complete production cycles in three experiments. Variables measured were egg weight (EW), egg specific gravity (SG), eggshell weight (SW), water vapor conductance (G), and regional pore concentration (PC) and eggshell thickness (ST ...
E.D. PEEBLES, J. BRAKE
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Effects on performance and eggshell quality of particle size of calcium sources in laying hens' diets with different Ca concentrations [PDF]
Archives Animal Breeding, 2015 The objective of this study was to evaluate the effect of particle size of a dietary Ca source on egg production and eggshell quality when added to hens' diets that have different levels of calcium.
S. Świątkiewicz +4 more
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BMC Genomics, 2020 Background Lower eggshell quality in the late laying period leads to economic loss. It is a major threat to the quality and safety of egg products. Age-related variations in ultrastructure were thought to induce this deterioration.
Jia Feng +4 more
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