اثرات استفاده از مکمل مواد معدنی - ویتامینی آهسته رهش بر برخی خصوصیات تولید مثلی و پشم و پوست گوسفند فراهانی

نوع مقاله: مقاله پژوهشی

نویسندگان

1 بخش تحقیقات علوم دامی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان مرکزی، سازمان تحقیقات، آموزش و ترویج کشاورزی، اراک، ایران

2 موسسه تحقیقات علوم دامی کشور ، سازمان تحقیقات، آموزش و ترویج وزارت جهاد کشاورزی، کرج، ایران

چکیده

به‌منظور بررسی اثر مکملهای معدنی - ویتامینی آهسته‌رهش بر خصوصیات تولیدمثلی، پشم و پوست گوسفند توده نژاد فراهانی، 60 راس میش داشتی جوان به دو گروه شاهد و آزمایشی تقسیم شد. بلوس‌های آهسته رهش شامل شش ماده معدنی و سه ویتامین، 15 روز قبل از قوچ‌اندازی در گروه آزمایشی مورد استفاده قرار گرفت. نرخهای باروری، زایش، سقط و بره شیرگیری شده و خصوصیات پشم و پوست شامل وزن بیده، طول ، قطر و استحکام الیاف و نسبت فولیکولهای ثانویه به اولیه در میش و بره های متولد شده بررسی شد. نرخهای باروری، زایش و سقط دو گروه اختلاف معنی‌داری نشان ندادند، لیکن نرخ بره شیرگیری شده در گروه آزمایشی به طور معنی‌داری افزایش یافت (05/0p

کلیدواژه‌ها


عنوان مقاله [English]

Effects of slow release mineral-vitamin supplementation on some reproductive performance and wool characteristic in Farahani sheep and lambs skin follicles

نویسندگان [English]

  • Alireza Talebian Masoudi 1
  • Hamidreza Ansari-Renani 2
  • Ramezanali Azizi 1
  • Azadeh Mirshamsolahi 1
1 Animal Science Research Department, Markazi Agricultural and Natural Resources Research and Education Center,AREEO, Arak, Iran
2 Animal Science Research Institute of Iran, Karaj, Iran
چکیده [English]

In order to survey slow release mineral-vitamin boluses effects on reproductive performance, wool and follicle structure characteristics of Farahani sheep, 60 head ewes were divided into two control and treatment groups. Control group didn't receive any mineral - vitamin supplement. The treatment group received slow release mineral-vitamin boluses 15 days before mating. The reproductive performance includes pregnancy rate, lambing rate, abortion rate, weaned rate and means values of fleece weight, staple length, fiber diameter and tenacity of two groups of ewes and secondary to primary follicle ratio(S/P) in treating ewes and their lambs in relation to the control group were evaluated and statistical differences between them were estimated. The result indicated that the slow release mineral-vitamin boluse hadn't significant effect (p

کلیدواژه‌ها [English]

  • Mineral
  • reproductive performance
  • skin follicles
  • sheep
  • vitamin
  • wool

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