این سایت در حال حاضر پشتیبانی نمی شود و امکان دارد داده های نشریات بروز نباشند
Journal of Livestock Science and Technology، جلد ۹، شماره ۲، صفحات ۱-۹
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Various zinc sources and levels supplementation on performance, egg quality and blood parameters in laying hens
چکیده انگلیسی مقاله The objective of this study was to investigate the effects of dietary zinc (Zn) sources and levels supplementation on performance, egg quality, blood parameters, and egg yolk Zn content in laying hens from 28 to 36 weeks of age. Two hundred laying hens (Hy-Line W-36) were weighed individually and placed randomly in cages with five treatments, five replicates of 8 birds in each by 2×2+1 factorial arrangement. Treatments consisted of a control diet (corn-soybean meal as a basal diet without Zn supplementation) and the diet supplemented with 80 and 120 mg of Zn/kg, added as either Zinc-sulfate (ZnSulf) or Zn-methionine (ZnMet), respectively. No significant differences were observed for treatments on laying hen performance from 28 to 36 weeks of age. Eggshell thickness significantly improved (P< 0.001) by ZnMet in comparison to ZnSulf. Eggshell thickness significantly improved by increasing Zn from 80 to 120 mg/kg of the diet (P< 0.05). Plasma HDL (P< 0.001), alkaline phosphatase activity (P< 0.05), total protein, and albumin concentrations (P< 0.001) were significantly increased by ZnMet in comparison to ZnSulf supplementation. Plasma Fe, Cu, Zn, P and Zn content of the egg yolk were not affected by Zn sources or levels. Plasma Ca was higher in hens receiving 120 mg/kg ZnMet/kg than other treatments (P< 0.01). In conclusion, more positive effects on eggshell quality and some blood parameters were found by dietary ZnMet supplementation at 80 or 120 mg/kg diet than ZnSulf in laying hens under the conditions of this study.
کلیدواژه‌های انگلیسی مقاله zinc sulfate, zinc methionine, eggshell thickness, alkaline phosphatase, layer
نویسندگان مقاله Aazam Mehrabani Mamduh |
Animal Science Department, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Iran

Sara Mirzaie Goudarzi |
Department of Animal Science, Faculty of Agriculture, Bu- Ali Sina University, Hamedan, Iran

Ali Asghar Saki |
Department of Animal Science, Faculty of Agriculture, Bu-Ali Sina University, Hamedan-Iran

Hassan Aliarabi |
Animal Science Department, Faculty of Agriculture, Bu-Ali Sina University, Hamedan , Iran.

نشانی اینترنتی https://lst.uk.ac.ir/article_3079_ff4495da7d1972ad2f2f4f569362d6bc.pdf
فایل مقاله فایلی برای مقاله ذخیره نشده است
کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده
نوع مقاله منتشر شده
برگشت به: صفحه اول پایگاه   |   نسخه مرتبط   |   نشریه مرتبط   |   فهرست نشریات