نتایج جستجو برای: reproduction system

تعداد نتایج: 2286361  

Journal: :Endocrines 2022

The kisspeptin system includes the cleavage products Kiss1 precursor and receptor (Kiss1R). It was originally discovered studied in cancer metastasis, but identification of KISS1/KISS1R gene mutations causing hypogonadotropic hypogonadism (HH) revealed unexpected effects reproduction. Nowadays, is main central gatekeeper reproductive axis at puberty adulthood, it also has a widespread functiona...

A. Shafei Naderi A.A. Gharahdaghi M. Vatankhah, M.A. Abbasi M.R. Mofidi

In this study production, reproduction, population, management and economic parameters resulted from recording of 7 flocks with size 57 to 400 and 721 heads of camels in a cycle of reproduction, during three years from 2011 to 2013 were used to find out of the economic values of important traits in one hump camel in desert areas rearing system. The economic traits that appeared in profit equati...

Journal: :Journal of the Illuminating Engineering Institute of Japan 1990

Journal: :Acta Biologica Cracoviensia Series Botanica 2010

Journal: :تحقیقات دامپزشکی 0
خسرو هوشنگی دانش آموخته دانشکده دامپزشکی دانشگاه تهران ایرج نوروزیان گروه علوم در مانگاهی دانشکده دامپزشکی دانشگاه تهران پرویز هورشتی گروه علوم در مانگاهی دانشکده دامپزشکی دانشگاه تهران محمود بلورچی گروه علوم در مانگاهی دانشکده دامپزشکی دانشگاه تهران پرویز تاجیک گروه علوم در مانگاهی دانشکده دامپزشکی دانشگاه تهران

this prospective longitudinal study deals with the associations between digital disorders and reproduction indices in dairy cattle on a farm in the vicinity of tehran. it was carried out on 225 postparturient holstein heifers. the evaluation of lameness due to digital disorders on postpartum period of heifers were done and after diagnosis of lameness (based on a 5 points lameness scoring system...

خورشیدی, مژگان, راسخ, محمد, عامری, فائزه,

Posthumous reproduction has recently emerged in line with the development of assisted reproduction technology (ART) methods. In this method, individuals take steps to freeze their gametes or embryos for posthumous insemination or reproduction. However, diverse moral and legal questions ensue, and it is important to preserve human dignity and protect the child's rights and interests. In this reg...

Journal: :تحقیق در علوم شیلاتی 0
f.a.h nur a christianus z mute harah f.f ching r shapawi c.r saad

hippocampus barbouri is one of the seahorse species found in shallow water of malaysia. it is used as known as a global trade species in ornamental fish industry. to date, there is no documented report on seahorse aquaculture especially for h. barbouri in malaysia even in southeast asia region. seahorse aquaculture should be considered as an alternative source of seahorses to reduce the pressur...

Journal: :iranian journal of ichthyology 0
dariusz kucharczyk department of lake and river fisheries, university of warmia and mazury in olsztyn, ul. oczapowskiego 5, 10-718 olsztyn-kortowo, poland. katarzyna targońska department of lake and river fisheries, university of warmia and mazury in olsztyn, ul. oczapowskiego 5, 10-718 olsztyn-kortowo, poland. rafał chwaluczyk czarci jar fish farm, poland.

eurasian perch, perca fluviatilis l., is one of the most important species in european freshwater aquaculture and probably one of most important of cold freshwater species in nearest future. the aim of this study was to test the ovaprim in artificial reproduction in eurasian perch in two temperatures (12 and 14°c) with using new oocyte maturation stage system. the results obtained in present st...

Journal: :Journal of the Illuminating Engineering Institute of Japan 1997

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