نتایج جستجو برای: repeat breeder

تعداد نتایج: 77010  

Journal: :Tarim Bilimleri Dergisi-journal of Agricultural Sciences 2021

The aim of this study is to compare the pregnancy rates by applying embryo transfer cows which are not pregnant and should be removed from herd as repeat breeder. In study, 87 randomly selected Holstein utilized. breeder (n=45) were at least one giving birth, having regular sexual cycle, missing clinical worsening into genital organ displaying an abnormal discharge. On other hand, it was nonpre...

ژورنال: تحقیقات دامپزشکی 2010
آرش مسنن جهان بخش حسنلو علیرضا باهنر, فرامرز قراگوزلو, مهدی وجگانی,

یکی از معضلات گاوداری‌های صنعتی، کاهش باروری گاوها در فصول گرم سال به‌دلیل مرگ زودرس جنین است. در این راستا برای مقابله با اثر استرس گرمایی، علاوه بر فراهم‌کردن شرایط مناسب جایگاه استفاده از هورمون‌های موثر در تخمک‌گذاری GnRH) و (HCG نیز پیشنهاد شده است. نقش محوری پروستاگلاندین در ایجاد تخمک‌گذاری و اثر آن هم‌زمان با تلقیح در گاوهای(RB) Repeat Breeder نیز اشاره شده است. هدف این مطالعه ارزی...

A.S. Al‐Hadad A.S.A. Hussien M. Delpli Ali M.S. Jamil O.I. Azawi, O.S. Ahmed

The present study was undertaken to examine the efficacy of a treatment regime using a controlled internal drug release (CIDR) device in conjunction with injections of gonadotropin releasing hormone (GnRH) and prostaglandin F2α (PGF2α) on conception rate of repeat-breeding Iraqi buffaloes. Data were collected from 100 buffaloeswith repeat breeding in Ninevehprovince housed at six private dairy ...

Journal: :Animal reproduction science 2000
P I Rekwot D Ogwu V O Sekoni E O Oyedipe

Sixty-four zebu cows, comprised mainly of Bunaji cattle aged between 3 and 7 years old, were involved in an intensive artificial insemination programme. The study was conducted during the breeding period (May-October), and cows were inseminated with freshly prepared Friesian semen when they stood to be mounted by the vasectomised bull or herdmates. Fertility was measured by serum progesterone (...

A.K. Talukder, M. Shamsuddin

We reportedhere data from a productivity veterinary service that was participatory planned and delivered on farms at the Kanihari Union belongs to Mymensingh District of Bangladesh. We used a set of five forms and a breeding calendar on farm visit once in a month to guide service delivery and acquisition of data and to keep the records on general cattle health, reproduction, udder health and fe...

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