Results 1 to 10 of about 188,320 (240)
Reproductive qualities of meat chickens of the parent flock when using automatic nests [PDF]
The aim of the study presented in this paper was to compare the reproductive qualities of laying hens of the parent flock of the ROSS 308 cross when using manual and automatic egg collection.
Pilyukshina Elena +4 more
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Energy, known as the most expensive nutrient in broiler feed, is what strongly adjusts and affects the growth of broilers. Creatine has a key role in cellular energy metabolism and could be synthesised from guanidinoacetic acid (GAA) in the liver ...
Necmettin Ceylan +5 more
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Influence of chelated forms of trace elements on the live weight and livability of rearing stock of broilers [PDF]
Nowadays, organic forms of trace elements, which have a high bioavailability, and, as a consequence, have a beneficial effect on the body of animals and birds, are increasingly used in feeding.
Pilyukshina Elena +5 more
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Searching for biomarkers of high productivity in chickens is currently one of the relevant tasks facing poultry farming. Thus, the research was aimed at studying genetic traits of laying hens. The hens belonged to parental stock of the «Arbor Acres Plus»
M. A. Grygorieva +6 more
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Isolation, identification, and pathogenicity of a ALV-K strain from Chinese indigenous chicken breed
: Subgroup K avian leukosis virus (ALV-K) is a new subgroup of avian leukosis virus (ALV) first identified in Chinese indigenous chickens in recent years.
Hao Chen +3 more
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There are substantial public health consequences when hazardous heavy metal contaminants and antimicrobial drug residues are present in broiler edible tissues.
Shaikh Mohammad Bokhtiar +4 more
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Spirochaetosis in broilers [PDF]
One-day-old broilers were inoculated with spirochaetes (isolate 1380); the inocula consisting either of spirochaetes derived from plate culture or from intestinal homogenates of previously infected birds. After 13 to 15, and 21 days after inoculation growth was depressed, serum concentrations of protein lipid, carotenoids and bilirubin were decreased ...
R M, Dwars, F G, Davelaar, H F, Smit
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Welfare of broiler chickens [PDF]
Broiler chickens have been selected for their rapid growth rate as well as for high carcass yields, with particular regard to the breast, and reared in intensive systems at high stocking density ranging from 30 to 40 kg live weight/m2. These conditions lead to a worsening of the welfare status of birds. In Europe a specific directive for the protection
MELUZZI, ADELE, SIRRI, FEDERICO
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Response of modern broiler chickens to dietary calcium and phosphorus levels below recommendations
This study was carried out to investigate the effects of reduced dietary calcium (Ca) and non-phytate-phosphorus (NPP) levels on performance, carcase yield and bone mineralisation of modern broilers. 11,200 one-day-old chicks (Ross-308) were divided into
Necmettin Ceylan +5 more
doaj +1 more source
The effect of using fruit peel on broiler growth and health [PDF]
To ensure the long-term viability of broiler farming, producers must address a number of issues, including rising feed costs, a ban on antibiotic growth promoters, and growing consumer awareness of chemical residues in broiler chicken meat. Fruit peel is
Sugiharto Sugiharto
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