نتایج جستجو برای: old birds
تعداد نتایج: 398943 فیلتر نتایج به سال:
A total of two hundred and seventy day-old Arbor Acre strain of broiler chicks were used for this research. Five treatment: T1 positive control (10 birds/m), T2 negative control, T3, T4 and T5 had 20 birds/m. T1 and T2 had no supplementation with vitamin E (d1-α-tocopheryl acetate). T3, T4 and T5 had 50mg/kg, 100mg/kg and 150 mg/kg vitamin E supplementations respectively. Feed intake, feed conv...
The experiment was conducted to determine the effect of artificial insemination (AI) on different production parameter in Hubbard Classic Broiler breeder parent stock. A total number of 300 female and 30 male Hubbard Classic broiler breeder parent stock birds were used as experimental animals and parameter recorded are: Health condition and body weight of birds, % of Production, % Hatchability,...
This experiment was conducted to evaluate the effect of some feed restriction regimes on the performance, carcass characteristics and hematological values of broiler chickens. A number of 480 one-day-old Cobb broilers were distributed into 24 floor pens and reared for 42 days. A basal diet was formulated according to the NRC (1994) recommendations for starter (1-11 d), grower (12-28 d) and fini...
In an experiment, 200 one-day-old broiler chickens (Ross 308) were used to investigate the effects of sumac fruit (Rhus coriaria L.) powder (SFP) on performance, plasma concentrations of total cholesterol (TC), triglyceride (TG), high density lipoprotein (HDL-c), low density lipoprotein (LDL-c), very low density lipoprotein (VLDL-c) and plasma fasting blood sugar (FBS), as well as proportional ...
AIM This study was carried out to evaluate groundnut haulms (GNH) as alternate feed source by its incorporation and assessment in terms of feed intake and growth performance in the diets of broilers. MATERIALS AND METHODS A total of 240 1-day-old Cobb-400 broiler chicks were randomly assigned to four dietary treatments each with three replicates (n=60). Experimental Birds in group T1 were fed...
Avian cellulitis is a serious problem for the commercial broiler industry. Although various agents were isolated from cellulitis lesions, the ability of Erysipelothrix rhusiopathiae in reproduction of cellulitis is not known. Therefore, the objective of this study was to evaluate the ability of these bacteria for induction of avian cellulitis. The study involved two experimental groups, each co...
The study was carried out to evaluate the effects of complete replacement of maize with two varieties of guinea corn and two varieties of millets on the growth performance and nutrient retention in broiler chickens. Five isonitrogenous and isocaloric diets for the broiler starter (23.5% CP; 2800 kcal/ME) and finisher (21.5% CP; 2900 kcal/ME) phases were formulated. Diet 1 consisted on a maize b...
A 42-d trial was conducted to compare the effects of probiotic, prebiotic and synbiotic supplements on growth performance, morphology of the jejunum, serum lipid profile and antibody response of broiler chickens. A total of 400 one-d-old male broiler chicks were randomly divided into four treatment groups of four replicates (25 birds per replicate) and fed corn-soybean meal diets. The dietary t...
The effect of dietary chitosan oligosaccharides (COS) supplementation on ileal digestibilities of nutrients and performance in broilers was assessed by feeding graded levels (0, 50, 100, 150 mg/kg) of COS. Two thousand four hundred male commercial Avian broilers (1-d-old) were assigned randomly to 5 dietary treatment groups (60 birds per pen with 8 pens per treatment). Diet A was a typical corn...
Escalating consumer concerns regarding pathogen resistance have placed the poultry industry under mounting pressure to eliminate the use of chemotherapeutic agents as feed additives. One possible alternative receiving increased attention is the use of immunomodulators such as β-glucan. A study was conducted to investigate the effects of a yeast-derived β-glucan (Auxoferm YGT) on broiler chick p...
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