نتایج جستجو برای: effective factors on fertility

تعداد نتایج: 9146116  

2017
Nilüfer Yazici Nebi Bilir

There are many environmental and biological factors on forestry practices as known. Aspect called as slope faces is one of the most important environmental factors in these practices because of its easy application for managers. Fertility variation defined as an individual ability to give progeny and gene diversity estimated based on effective number of parents were investigated as the proporti...

Journal: :Labour economics 2013
Klaus Prettner David E Bloom Holger Strulik

It is widely argued that declining fertility slows the pace of economic growth in industrialized countries through its negative effect on labor supply. There are, however, theoretical arguments suggesting that the effect of falling fertility on effective labor supply can be offset by associated behavioral changes. We formalize these arguments by setting forth a dynamic consumer optimization mod...

2012
Klaus Prettner David Bloom Holger Strulik David Canning David E. Bloom Michael Moore Younghwan Song

It is widely argued that declining fertility slows the pace of economic growth through its negative effect on labor supply. There are, however, theoretical arguments suggesting that the effect of falling fertility on effective labor supply can be offset by the associated behavioral changes. We formalize these arguments by setting forth a dynamic consumer optimization model that incorporates end...

2012
Klaus Prettner David E. Bloom Holger Strulik

It is widely argued that declining fertility slows the pace of economic growth through its negative effect on labor supply. There are, however, theoretical arguments suggesting that the effect of falling fertility on effective labor supply can be offset by the associated behavioral changes. We formalize these arguments by setting forth a dynamic consumer optimization model that incorporates end...

Journal: :The Veterinary record 1971
J O King

Introduction It is now widely recognised that reduced fertility in dairy herds is one of the most important factors affecting producer profitability. Roche (2006) has defined the effect of infertility on profitability as: (i) prolonged calving interval with fewer calves and less milk per cow; (ii) increased replacement costs; (iii) increased labour, semen and veterinary bills; and (iv) an exten...

2017
James Ayieko Angeline Ti Jill Hagey Eliud Akama Elizabeth A Bukusi Craig R Cohen Rena C Patel

BACKGROUND Factors influencing fertility desires among HIV-infected individuals remain poorly understood. With new recommendations for universal HIV treatment and increasing antiretroviral therapy (ART) access, we sought to evaluate how access to early ART influences fertility desires among HIV-infected ART-naïve women. METHODS Semi-structured in-depth interviews were conducted with a select ...

Journal: :Reproduction 2004
Christopher M Hardy Gavin Clydesdale Karen J Mobbs

Mouse-specific immunocontraceptive peptides have been identified in mouse proteins with key roles in reproduction from sequence comparisons to other species and tested for efficacy as immunocontraceptive antigens. Peptides were derived from granulocyte-macrophage colony-stimulating factor (GMCSF), the placental 27 kDa heat-shock protein (HSP), leukemia inhibitory factor receptor (LIFR), oviduct...

Journal: :journal of midwifery and reproductive health 0
fatemeh jafarzadeh-kenarsari assistant professor, department of midwifery and reproductive health, faculty of nursing and midwifery, guilan university of medical sciences, rasht, iran. ataollah ghahiri associate professor, department of obstetrics and gynecology, school of medicine, isfahan university of medical sciences, isfahan, iran. ali zargham-boroujeni assistant professor, nursing and midwifery care research center, faculty of nursing and midwifery, isfahan university of medical sciences, isfahan, iran mojtaba habibi assistant professor, family research institute, shahid-beheshti university, g.c. evin, tehran, iran maryam hashemi midwifery student, nursing and midwifery student research center, faculty of nursing and midwifery, isfahan university of medical sciences, isfahan, iran

background & aim: healthcare areas, especially fertility care (commonly accompanied with high emotions, as well as long-term and recurring treatment periods) could exclusively benefit from patient-centered care (pcc). despite evident advantages of pcc, this approach has not been practiced as a routine procedure in current clinical environments yet, even in western developed countries. therefore...

پایان نامه :دانشگاه تربیت معلم - سبزوار - دانشکده علوم انسانی و پایه 1393

burnout is a response to the chronic work stress which is prevalent mostly among the people who do people job, like teaching. the purpose of this study was to develop a valid and reliable instrument that can measure burnout in foreign language teachers. although some widely used instruments were developed before which measured burnout in teachers, a specific instrument which include specific sy...

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