اثر استفاده از دانه خلر خام یا اتوکلاو شده در جیره مرغ های تخمگذار بر عملکرد و کیفیت تخم مرغ

نوع مقاله: مقاله پژوهشی

نویسندگان

1 گروه علوم دامی- دانشکده کشاورزی- دانشگاه فردوسی مشهد، مشهد- ایران

2 گروه علوم دامی- دانشکده کشاورزی- دانشگاه فردوسی مشهد- مشهد- ایران

3 گروه علوم دامی دانشگاه فردوسی مشهد

چکیده

اثر استفاده از دانه خلر (Lathyrus sativus L) خام و یا اتوکلاو شده در جیره مرغهای تخمگذار، بر عملکرد و کیفیت تخم مرغ با استفاده از 336 قطعه مرغ تخمگذار لگهورن سویه "های لاین W-36" در سن 87 هفتگی در یک طرح کاملاً تصادفی با هفت تیمار، شش تکرار و هشت قطعه پرنده بررسی شد. تیمارهای آزمایشی شامل جیره بر پایه ذرت و کنجاله سویا (شاهد) و استفاده از سطوح هشت، 16 و 24 درصد خلر خام و یا اتوکلاو شده در جیره غذایی مرغهای تخمگذار بودند. آزمایش در مدت 12 هفته انجام شد. میزان مصرف خوراک، درصد تخمگذاری و گرم تخم مرغ تولیدی در مرغ های تغذیه شده با جیره های حاوی سطوح مختلف دانه خلر خام و یا اتوکلاو شده در مقایسه با پرندگان تغذیه شده با جیره شاهد به طور معنیداری کمتر و ضریب تبدیل خوراک به طور معنیداری بیشتر بود (0.05>P). با اتوکلاو کردن دانه خلر در پرندگان تغذیه شده با جیره‌های حاوی 16 و 24 درصد دانه خلر شاخصهای عملکردی و کیفیت پوسته تخم مرغ به طور معنیدار بهبود یافتند (0.05>P) . اگرچه اتوکلاو کردن دانه خلر باعث کاهش اثرات منفی استفاده از آن در جیره بر عملکرد تولیدی و کیفیت تخم مرغ شد، ولی نتوانست کاهش عملکرد ایجاد شده را به طور کامل جبران کند. بر اساس نتایج این آزمایش، استفاده از دانه خلر در جیره مرغهای تخمگذار توصیه نمیشود. اتوکلاو کردن به تنهایی نمی تواند عوامل ضدتغذیه‌ای موجود در دانه خلر را از بین ببرد.

کلیدواژه‌ها


عنوان مقاله [English]

Effect of raw or autoclaved grass pea seeds in diet on performance and egg quality of laying hens

نویسندگان [English]

  • Seyd Ahmad Sahaf 1
  • Heydar Zarghi 2
  • َAbolghasem Golian 3
1 Department of Animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran,
2 Department of animal Science, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran
3 Animal Science Department, Ferdowsi University of Mashhad
چکیده [English]

This experiment was conducted to evaluate the effect of raw and/or autoclaved grass pea (Lathyrus sativus L.) seed in diet on performance and egg quality of laying hens. Three hundred and thirty-six Leghorn laying hens strain W-36 at 87 week of age were assigned in a completely randomize designed (CRD) experiment with 7 treatments, 6 replicates and 8 birds each. The experimental treatments included; corn-soybean meal (control) diet, and 8, 16 and 24% dietary levels of either raw or autoclaved grass pea grain. The experiment lasted for 12 weeks. Feed consumption, egg production percentage and egg mass of hens fed diets containing different levels of raw and autoclaved grass pea grain were significantly lower and their feed conversion ratio was significantly higher than those fed control diet. The autoclaving of grass pea grain resulted in significant increase in performance and eggshell quality indices in birds fed diets containing 16 and 24% grass pea grain. Although autoclaving of grass pea grain reduced the negative effect of its replacement in the diet on performance and egg characteristics, however, it could not compensate the reduction in performance. According to the results of this experiment, the utilization of raw grass pea grain is not recommended in laying hen diets. Also, autoclaving process alone can’t destroy the anti-nutritional factors present in grass pea grain.

کلیدواژه‌ها [English]

  • Autoclaving
  • egg quality
  • grass pea
  • laying hens
  • performance
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