نتایج جستجو برای: performance broiler chickens
تعداد نتایج: 1077064 فیلتر نتایج به سال:
objective: the aim of this experiment was to determine chemical composition, protein quality of corn gluten meal (cgm) and its effect on growth performance of broiler chicks. methods: chemical composition and nitrogen corrected true metabolizable energy of cgm was determined by standard and precision-fed cockerel assay methods. for evaluating of protein quality, 90 male broiler chicks in a com...
Results of isolation of glycopeptide-resistant enterococci from fecal samples of pigs and chickens were found to differ strongly depending upon the type and age of animals and isolation technique (direct selective plate or broth enrichment). Isolations were frequent in broiler chickens and in sows but rare in layer chickens.
a semi-field study was carried out to evaluate the effect of two medicinal herbs, individually and in combination, on growth performance, carcass traits, nutrient digestibility and immune response of broiler chickens. a total of 384 one-day-old straight-run arbor acres broiler chickens were allocated into 24 floor pens prepared in a commercial broiler house. pen-groups were fed one of the foll...
In this study, seroprevalence of avian reovirus (ARV) infections in broiler and broiler breeder chicken farms in Aydin, İzmir and Manisa provinces were investigated. Serum samples (n = 631) collected from 8 broiler breeder and 18 broiler flocks were tested for ARV antibodies using a commercially available ARV Enzyme Linked Immunosorbent Assay (ELISA) kit. The sampled flocks were not vaccinated ...
the effects of selko-ph (s; 1 ml/l drinking water); termin-8 (t; 2 kg/ton feed) and neogermicin (n; 2 l/ton feed) on gastrointestinal tract (git) ph, microbial population, ileal digestibility and broiler performance were investigated. the lowest feed intake (fi) was attained by chickens fed diets supplemented with s group in all periods (p
Reovirus infections are actually related to a lot of disease conditions with different clinical manifestations. Reoviruses have been isolated from a variety of tissues in poultry, suffering from different disease conditions including viral arthritis/tenosynovitis, stunting syndrome, respiratory disease, enteric disease, immunosuppression and malabsorption syndrome. Economic losses related to re...
Broiler chickens are birds that grow very fast, but have low body resistance and easily stressed. This study aimed to examine the effect of nucleotide turmeric extract (Curcuma longa Linn) on blood profile (erythrocytes, hemoglobin leukocytes) carcass production (weight carcass, weight breast, thighs wings) in broiler chickens. Data was collected using a completely randomized design with 7 trea...
A total of 360 male Ross 308 broiler chickens were used in a feeding study to assess the influence of macronutrients and energy density on feed intakes from 10 to 31 days post-hatch. The study comprised ten dietary treatments from five dietary combinations and two feeding approaches: sequential and choice feeding. The study included eight experimental diets and each dietary combination was made...
This study examined whether pre-treating palm kernel expeller (PKE) with exogenous enzyme would degrade its fiber content; thus improving its metabolizable energy (ME), growth performance, villus height and digesta viscosity in broiler chickens fed diets containing PKE. Our results showed that enzyme treatment decreased (p<0.05) hemicellulose and cellulose contents of PKE by 26.26 and 32.62%, r...
This study was conducted to evaluate the relative bioavailability (RBV) of 25-hydroxycholecalciferol (25-OH-D3) to cholecalciferol (vitamin D3) in 1- to 21-d-old broiler chickens fed with calcium (Ca)- and phosphorus (P)-deficient diets. On the day of hatch, 450 female Ross 308 broiler chickens were assigned to nine treatments, with five replicates of ten birds each. The basal diet contained 0....
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