نتایج جستجو برای: effective factors on fertility

تعداد نتایج: 9146116  

Journal: :Επιθεώρηση Κοινωνικών Ερευνών 1979

Journal: :GSC biological and pharmaceutical sciences 2022

The crucial role of occupational, environmental and lifestyle factors are the means life that can affect health welfare human being, including fertility. Study is therefore designed to identify roles environmental, occupational play in determining reproductive status middle age male partner. A cross-sectional study was carried out 45 cases (age 31-56) 35 males controls 16-30 years). Both subjec...

2010
Shailaja Hittalmani

Identification of maintainer and restorers from rice germplasm through test crossing is the initial step in three line heterosis breeding. Maintainer lines can be converted into cytoplasmic male sterile lines to utilize in development of rice hybrids. Restorer lines can be used as males to produce F1 hybrids. Three hundred F2 plants of the cross KCMS 26A X IET 19886 were grown under aerobic sit...

Journal: :Theriogenology 2005
L Anel M Kaabi B Abroug M Alvarez E Anel J C Boixo L F de la Fuente P de Paz

Pregnancy rate following artificial insemination (AI) in sheep is variable depending on several factors. The Churra breed (milk breed of the North-West of Spain) yields lower fertility results compared with other local and European breeds (Manchega, Latxa, Merino, Lacaune, Sarde, etc.). In this work we studied the influence of many factors on the fertility of the Churra breed (insemination tech...

Asefi F, Gholami borojeni D

Background: One third of the women who sought infertility treatment had an impaired psychological well-being. The unfulfilled desire of millions of infertile couples worldwide to have their own biological children results in emotional distress. Infertility has mental, social, and reproductive consequences. Materials and Methods: In this review article, electronic searches were undertaken in Pub...

Journal: :Population and development review 2011
Rachel Margolis Mikko Myrskylä

The literature on fertility and happiness has neglected comparative analysis. We investigate the fertility/happiness association using data from the world values surveys for 86 countries. We find that, globally, happiness decreases with the number of children. This association, however, is strongly modified by individual and contextual factors. Most importantly, we find that the association bet...

Journal: :BIO web of conferences 2021

The crucial trend in the intensification of gardening is use agrochemicals, including systematic application mineral fertilizers, regulated by production flow chart fruit products. Technological pressure on soil causes aggravating ecological problem loss fertility level conditions orchard monoculture. search for sustainable and environmentally effective approaches to solving managing factors ai...

Journal: :African journal of reproductive health 2014
Oluwaseun Olatoregun Adeniyi Francis Fagbamigbe Odunayo Joshua Akinyemi Oyindamola Bidemi Yusuf Elijah Afolabi Bamgboye

Nigeria and Ghana are the most densely populated countries in the West African sub-region with fertility levels above world average. Our study compared the two countries' fertility levels and their determinants as well as the differentials in the effect of these factors across the two countries. We carried out a retrospective analysis of data from the Nigeria and Ghana Demographic Health Survey...

Since nature of architecture is quite different from that of other fields of study, the criteria used forjudging projects in this field continuously undergo some changes. On the other hand, because of the undeniable role ofhuman factors in judging the projects, there is always a percentage of deviation from the standard given the interestsof the judging committee. The standards of judging archi...

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