اثر تغذیه میش های آبستن نژاد زندی در طول دوره اواسط تا اواخر آبستنی بر عملکرد و رفتار میش‌ها و بره‌ها در 24 ساعت پس از تولد

نوع مقاله : تغذیه

نویسندگان

گروه علوم دامی، دانشکده کشاورزی و منابع طبیعی، واحد کرج، دانشگاه آزاد اسلامی، کرج، ایران

چکیده

آزمایش حاضر به ‌منظور ارزیابی اثر تغذیه میش ‌ها با دو سطح تغذیه ‌ای متفاوت در طول اواسط و اواخر آبستنی بر عملکرد و رفتار میش ­ها و بره ­ها در طول 24 ساعت پس از تولد انجام شد. جهت انجام ازمایش 112 رأس میش‌ نژاد زندی تک قلوزا که آبستن بودند در 4 تیمار و 4 تکرار (هر تکرار حای 7 راس) به ­طور تصادفی در 2 سطح تغذیه ‌ای در اواسط و اواخر آبستنی تقسیم شدند. تیمارهای آزمایشی شامل: 1- تغذیه با علوفه 4 سانتی ­متر در اواسط آبستنی و تغذیه با علوفه 4 سانتی ­متر در اواخر آبستی (4-4)، 2- تغذیه با علوفه 4 سانتی ­متر در اواسط آبستنی و تغذیه با علوفه 2 سانتی ­متر در اواخر آبستی (2-4)، 3- تغذیه با علوفه 2 سانتی ­متر در اواسط آبستنی و تغذیه با علوفه 4 سانتی ­متر در اواخر آبستی (4-2)، 4- تغذیه با علوفه 2 سانتی ­متر در اواسط آبستنی و تغذیه با علوفه 2 سانتی ­متر در اواخر آبستنی (2-2)، بودند. برطبق نتایج وزن میش‌ ها و وزن تولد بره­ های آن­ ها که در اواسط و اواخر آبستنی از علوفه 4 سانتی­ متری استفاده کرده بودند، افزایش معنی­ داری نسبت به سایر گروه­ ها داشتند (0/05>p ). بره‌ های متولد شده از میش‌ های گروه 4-4 کم ­تر به سمت مادر خود برای ایجاد ارتباط حرکت کردند (0/05>p ). به ­طورکلی نتایج آزمایش حاضر نشان داد تغذیه میش ­های آبسنن در اواخر ابستنی با علوفه چهار سانتی ­متر می تواند عملکرد بهتری بر میش­ ها و بره های متولد شده داشته باشد.

کلیدواژه‌ها


عنوان مقاله [English]

The effect of feeding Zandi pregnant ewes during mid to late pregnancy on the performance and behavior of ewes and lambs during 24 hours after birth

نویسندگان [English]

  • Mohammad Kalhor
  • Nima Eila
  • Abolfazl Zarei
  • Alireza Noshary
Department of Animal Science, Faculty of Agriculture and Natural Resources, Karaj Branch, Islamic Azad University, Karaj, Iran
چکیده [English]

The present experiment was performed to evaluate the effect of feeding ewes with two different feeding levels during mid- and late pregnancy on the performance and behavior of ewes and lambs during 24 hours after birth.In order to test 112 ewes of Zandi singleton breed that were pregnant, they were randomly divided into 4 feeding levels in mid and late pregnancy in 4 treatments and 4 replications (7 repetitions per head).Experimental treatments include: 1- Feeding with 4 cm forage in mid-pregnancy and feeding with 4 cm forage in late pregnancy (4-4), 2- Feeding with 4 cm forage in mid-pregnancy and feeding with 2 cm forage in Late pregnancy (4-2), 3- Forage feeding 2 cm in mid-pregnancy and forage feeding 4 cm in late pregnancy (2-4), 4- Forage feeding 2 cm in mid-pregnancy and forage feeding Were 2 cm in late pregnancy (2-2).According to the results, the weight of ewes and the birth weight of their lambs that used 4 cm forage in mid and late pregnancy had a significant increase compared to other groups (p < 0.05).Lambs born from 4-4 group ewes moved less towards their mother to communicate (p < 0.05).In general, the results of the present experiment showed that feeding ewes in late gestation with four cm of forage could have better performance on ewes and lambs born.

کلیدواژه‌ها [English]

  • performance
  • nutrition
  • Zandi Ewes
  • MBS
  • lamb
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