نتایج جستجو برای: pcr testkey words broiler grandparent
تعداد نتایج: 337650 فیلتر نتایج به سال:
Very low density apolipoprotein-II (apoVLDL-II) is a major constituent of very low density lipoprotein and is involved in lipid transportation in chickens. The current study was designed to investigate the associations of an apoVLDL-II gene polymorphism on chicken growth and body composition traits. The Iowa Growth and Composition Resource Population was established by crossing broiler sires wi...
Very few studies have examined quality of life (QOL) in elderly carers of orphaned children in African settings. This study explored sociodemographic factors and health-related characteristics that influence QOL of grandparent carers in Zimbabwe. A cross-sectional study stratified by district was done to collect information on socioeconomic factors, health-related characteristics, and QOL of gr...
To evaluate and compare the effects of Bacillus coagulans-fermented Ginkgo biloba (FG) and nonfermented Ginkgo biloba (NFG) on the immunity status of broiler chickens, 180 1-d-old female Arbor Acres chicks were divided into 3 groups and fed either a basal diet, a basal diet supplemented with 0.3% NFG, or a basal diet supplemented with 0.3% FG. Blood samples were taken on the seventh (before vac...
In this study, the authors examined the technical performance of culture methodology using specific media: Mycoplasma isolation media of pleuropneumonia-like organisms (PPLO) broth and PPLO agar. Digitonin sensitivity, growth inhibition, the serum plate agglutination test, a commercially available enzyme-linked immunosorbent assay (ELISA) and a commercially available simplex polymerase chain re...
Transforming growth factor-beta (TGF-beta) belongs to a large family of multifunctional growth factors that regulate a broad spectrum of biological activities involved in morphogenesis, development, and differentiation. The current study was designed to investigate the effects of TGF-beta genes on chicken growth and body composition traits. The Iowa Growth and Composition Resource Population wa...
Molecular genetic selection on individual genes is a promising method to genetically improve economically important traits in chickens. A resource population was developed to study the genetics of growth, body composition, skeletal integrity, and metabolism traits. Broiler sires were crossed to dams of 2 diverse, highly inbred lines (Leghorn and Fayoumi), and the F1 birds were intermated by dam...
This research aimed to evaluate the effect of use microwaved flaxseed flour as broiler feed on growth performance and digestive enzyme activity. The material used was 200 a-day-old chicks strain Lohmann MB Platinum. method this in vivo feeding trial using a Completely Randomized Design (CRD) with 5 treatments 4 replications. included levels 0% (T0), 2.5% (T1), 5% (T2), 7.5% (T3), 10% (T4). vari...
Chronic Respiratory Disease (CRD) is caused by Mycoplasmas gallisepticum (MG) and is prevailing in layer, broiler and breeder poultry flocks. The infected birds showed sneezing, rales, coughing and exudates from nostrils and eyes. Mycoplasma species were recovered 27.3% overall, 39.3 per cent of the tracheal swabs, 15.9 per cent of tracheal tissues, 27.4 per cent of lung tissues and 25 per cent...
The purpose of this study was to investigate the distribution of Salmonella species in an integrated broiler supply chain in Korea. A total of 1,214 samples from various steps of an integrated broiler production company including broiler breeder farms, broiler farms, broiler trucks, slaughterhouse, and retail chicken meats were collected and investigated. Salmonella was detected in 195 of the s...
Infectious bronchitis (IB) is a highly contagious disease involving mostly upper respiratory tract in chickens, leading to significant economic losses in the poultry industry worldwide. One of the major concerns regarding to IB is the emergence of new types of infectious bronchitis viruses (IBVs). The purpose of this study was to identify the IBVs isolated from Iranian broiler chickens with res...
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