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Six single nucleotide polymorphisms in adipocyte fatty acid-binding protein (A-FABP) gene in Beijing ducks
Beijing ducks A-FABP gene SNPs PCR-SSCP
2015/6/8
PCR-SSCP was applied to analyze the polymorphisms of A-FABP gene in 4 lines of Beijing ducks (n = 400). The results showed that six SNPs were found in intron 3. There were no polymorphisms found in ex...
Selenium and α-tocopherol content in eggs produced by hens that were fed diets supplemented with selenomethionine, sodium selenite and vitamin E
eggs selenium selenomethionine selenite vitamin E retinol cholesterol oxidative stability
2015/6/8
The effect of supplementing dietary selenium (Se) and vitamin E was investigated in 330 24-week-old laying hens. The hens were fed a basal diet containing Se and α-tocopherol at 0.11 and 26 mg/kg, res...
Effects of dietary threonine on growth performance and carcass traits of Yangzhou geese
threonine geese growth performance carcass traits
2015/6/8
A dose-response experiment with 5 total dietary threonine (Thr) levels (0.54, 0.64, 0.74, 0.84 and 0.94%) was conducted to study the effect of dietary Thr on growth performance and carcass traits of Y...
Laying pattern parameters in broiler breeder hens and intrasequence changes in egg composition
broiler breeder hens egg sequence laying pattern egg composition
2015/6/8
The aim of the study was to analyze the pattern of oviposition time in laying sequences in broiler breeder hens and to determine a relationship between egg position in the sequence and egg quality. Th...
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
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 ...
Effect of different phosphorus levels on the performance and egg quality of laying hens fed wheat- and maize-based diets
available phosphorus brown-egg laying hen wheat maize
2015/6/8
The effects of diet type (wheat- or maize-based) and concentration of available phosphorus (AP; about 4, 3 and 2 g/kg) on the parameters of hen performance and egg quality as well as shell calcium (Ca...
The meat quality of layer males from free range in comparison with fast growing chickens
breast meat colour fat overall acceptability
2015/6/8
In chick hatcheries, males of laying hybrids are considered to be 搘aste?and the majority of these males are killed just after hatching. On the other hand, the interest of consumers in products from al...
Effect of inorganic or organic selenium supplementation on productive performance, egg quality and some physiological traits of dual-purpose breeding hens
selenium egg production fertility hatchability egg quality
2015/6/8
One hundred and twenty (100♀ + 20♂) 30-weeks-old dual-purpose breeding hens of Gimmizah strain were housed in individual cages in a semi-open house. Birds were distributed randomly into five treatment...
The effect of dietary selenium sources and levels on performance, selenium content in muscle and glutathione peroxidase activity in broiler chickens
selenium source performance GSH-Px activity broiler cockerels
2015/6/8
The study examined the effect of dietary supplements of sodium selenite (SS), selenium-enriched yeast (Sel-Plex®, SP) and selenium-enriched alga Chlorella (SCH) on growth traits, carcass analysis...
The effect of digitonin on egg quality, cholesterol content in eggs, biochemical and haematological parameters in laying hens
digitonin egg weight lipid metabolism egg cholesterol blood picture
2015/6/5
The aim of the present study was to describe the effect of digitonin on egg quality, cholesterol content in eggs, some parameters of serum lipid metabolism and blood picture of laying hens. The experi...
Non-invasive measurement of chick embryo cardiac work
ballistocardiography embryogenesis avian embryo
2015/6/5
This study used a non-invasive method of ballistocardiography to investigate cardiac work of chick embryos. In this method, an eggshell with electric charges on it is one capacitor plate, the other be...
The effect of a housing system in slaughter turkeys on mechanical damage to carcass and meat quality
turkeys losses type of floor mechanical damage meat quality
2015/6/5
The aim of the experiment was to find out whether the housing of Polish white broad-breasted heavy type turkeys J-22 on slatted floor (group I) and litter floor (group II) has an effect on the final b...
Defective eggs and their relationship to egg yield, egg and body weight in hens of five original laying lines
hens cracked eggs double-yolk eggs
2015/6/5
We investigated 3 985 individually housed hens of five original laying lines of two breeds RIR and BPR. The proportion of abnormal eggs out of the eggs laid before the age of 240 days ranged between 7...
Implications of b-glucanase and pentosanase enzymes in low-energy low-protein barley and wheat based broiler diets
beta-glucanase pentosanase enzymes
2015/6/5
This study was conducted to test the effects of a commercial enzyme (with beta-glucanase and pentosanase activities) supplemented into low-protein low-energy barley and wheat based broiler diets on br...
The effect of branched chain amino acids on proteosynthesis in skeletal muscles of japanese quail during ontogenesis
proteosynthesis isolated muscles 14C-tyrosine incorporation
2015/6/5
We studied the influence of branched chain amino acids on the muscle proteosynthesis of Japanese quail during ontogenesis. We used in vitro incubation of these muscles: musculus extensor metacarpalis ...