Impact of Dietary Inclusion of Organic Zinc and Chromium on Physiological Response of Broiler Chickens Exposed to Cold Stress
محل انتشار: مجله علوم طیور، دوره: 11، شماره: 2
سال انتشار: 1402
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 103
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شناسه ملی سند علمی:
JR_PSJG-11-2_004
تاریخ نمایه سازی: 4 مهر 1402
چکیده مقاله:
The study was planned on ۱۲۰ one-day-old broiler chickens, randomly distributed into ۵ dietary treatments with ۳ replicates having eight chickens each. Control birds (CON) were reared under thermoneutral conditions and offered a basal diet to meet their nutrient requirements. Treatment CS was offered the basal diet under cold stress. While, treatments ZNC۱۰۰, CR۲, and ZN+CR were offered basal diet under cold stress, supplemented with organic Zinc, organic Chromium or their combinations at ۱۰۰, ۲, or ۱۰۰ + ۲ mg/kg DM, respectively. Birds under CS treatment had higher feed intake compared to other treatments. Body weight gain and feed conversion ratio were not significantly affected by treatments. Digestibility of dry matter, crude protein, and nitrogen-free extra of birds under CON treatment were greater than CS, ZNC۱۰۰, and CR۲ treatments. The concentration of blood urea nitrogen and albumin to globulin ratio in CS treatment was higher compared to CON treatment. The antibody response of ۲۱-day-old-broiler chickens in the CS group was lower than the birds of the ZN+CR group. The lowest activities of glutathione peroxidase and superoxide dismutase were found in the blood serum of the CS group. The percentage of dressing carcass in both CON and CS treatments were lower than those of birds under ZN+CR treatment. Moreover, the yield of breast and drumstick of the ZN+CR treatment was higher (P < ۰.۰۵) than the CON treatment. There was better production performance along with improved immune status in broiler birds fed a diet supplemented with organic Zinc and Chromium alone or their combination under cold stress.
کلیدواژه ها:
نویسندگان
Sheikh Zaid Danish Mateen
Division of Animal Nutrition, FVSc. & AH, SKUAST-Kashmir; Shuhama, Alusteng, Srinagar, India
Gowher Sheikh
Division of Animal Nutrition, FVSc. & AH, SKUAST-Kashmir; Shuhama, Alusteng, Srinagar, India
Qazi Sahib
Division of Animal Nutrition, FVSc. & AH, SKUAST-Kashmir; Shuhama, Alusteng, Srinagar, India
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