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Effect of hen age, environmental temperature, and oviposition time on egg shell quality and egg shell and serum mineral contents in laying and broiler breeder hens
egg mineral composition serum minerals
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2015/7/2
The aim of the study was to evaluate egg shell quality characteristics, mineral content in the egg shell, and serum mineral concentration during the egg formation process as influenced by oviposition ...
The influence of litter age, litter temperature and ventilation rate on ammonia emissions from a broiler rearing facility
ammonia litter broiler chickens grow-out period ventilation rate
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2015/6/8
The research reported in this article attempts to address the ammonia problem by quantifying the effect of several variables on ammonia concentrations and emissions. These variables include litter tem...
Effect of the age and season of fattening period on carbon dioxide emissions from broiler housing
carbon dioxide broiler chickens heating natural gas ventilation rate
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2015/6/8
The quantification of emissions of greenhouse gases from human activities is of prime importance for determining the importance of their effect on the environment. The aim of this study was to test a ...
The effects of housing systems and age of hens on the weight and cholesterol concentration of the egg
conventional cages enriched cages litter system outdoor system yolk cholesterol egg weight
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2015/6/4
The effects of laying hen age and the housing of laying hens in conventional cages, enriched cages, litter system and outdoor system on egg weight and yolk and egg cholesterol concentration were studi...
The effect of weaning age on performance and nutrient digestibility of broiler rabbits
rabbit early weaning growth carcass characteristics nutrient digestibility parasite incidence mortality
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2015/6/4
The effect of weaning age on growth, feed consumption, digestibility of nutrients, carcass yield, mortality and parasite incidence was studied in a balance experiment. Forty Hyplus® rabbits proce...
Effect of age upon utilisation of iron in chickens
chickens age growth rate
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2015/6/1
The effect of age upon iron retention in cockerels of laying and meat type hybrids was examined within 46 subsequent balance periods. Chickens were fed ad libitum a diet with the content of 312 mg Fe ...
Slaughtering Age Effect on Carcass Traits and Meat Quality of Italian Heavy Draught Horse Foals
Horse Meat Fatty Acid Profile Meat Quality Slaughtering Age
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2016/5/12
The present work describes the effect of slaughtering age on horse carcass traits and on meat quality. Eighteen male Italian heavy draught horse (IHDH) breed foals were employed in the study. Soon aft...
Variation of Meat Quality Parameters Due to Conformation and Fat Class in Limousin Bulls Slaughtered at 25 to 27 Months of Age
Beef Quality Conformation Fat Class Chemical Composition Tenderness Sarcomere
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2016/5/11
The aim of the present study was to determine the influence of age of animal, hot carcass weight, pH, conformation and fat class on basic beef quality attributes (tenderness, sarcomere length, basic c...
Colour Changes in Meat of Foals as Affected by Slaughtering Age and Post-thawing Time
Age at Slaughtering Foal Meat Meat Colour
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2016/5/11
The aim of the present work was to investigate how colour changes of foal meat can vary after thawing out in relation to the slaughtering age of the horses and to the post-thawing time. Eighteen Itali...
Effects of Maternal Factors on Day-old Chick Body Weight and Its Relationship with Weight at Six Weeks of Age in a Commercial Broiler Line
Broiler Line Maternal Effects Animal Model Restricted Maximum Likelihood Procedure Heritability Genetic Variance
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2016/5/4
The present study aimed to investigate the effects of maternal factors on body weight at hatching (day-old) and at six weeks of age in a commercial broiler line. A total of 6,765 records on body weigh...
The Effects of the Hot, Humid Tropical Climate and Early Age Feed Restriction on Stress and Fear Responses, and Performance in Broiler Chickens
Broiler Chickens Feed Restriction Hot and Humid Climate
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2016/5/3
The present study was conducted to determine the effects of two types of housing systems and early age feed restriction on stress and fear reactions, and performance in broiler chickens raised in a ho...
Canonical correlation analysis for studying the relationship between egg production traits and body weight, egg weight and age at sexual maturity in layers
canonical correlation egg production body weight egg weight age at sexual maturity
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2015/6/1
In this study, canonical correlation analysis was applied to layer data to estimate the relationships of egg production with age at sexual maturity, body weight and egg weight. For this purpose, it wa...