نتایج جستجو برای: reproductive efficiency

تعداد نتایج: 482044  

Journal: :Revista da Sociedade Brasileira de Medicina Tropical 2014
Claudia Rodríguez Patricia Lobbia Julieta Nattero Silvia Catalá Liliana Crocco

INTRODUCTION In Triatominae, reproductive efficiency is an important factor influencing population dynamics, and a useful parameter in measuring a species' epidemiological significance as a vector of Trypanosoma cruzi (Chagas, 1909). The reproductive efficiency of triatomines is affected by food availability; hence, we measured and compared the effects of feeding frequency on the reproductive p...

1998
Dr. R. D. Smith

An analysis of dairy herd records to determine the cause of low reproductive efficiency usually leads to the conclusion that problems are centered in one of the following areas: breeding policy (intentionally waiting too long after calving for first service), estrous detection efficiency (missed heats), or conception rate. The challenge is to identify the factors responsible for the problem. On...

2015
Ashish Mishra Sukanta Mondal

Accepted: 29/09/2015 Abstract The control and manipulation of reproduction is the subject of scientific interest for many years. High level of reproductive performance can be achieved under optimum managemental conditions because reproduction is directly affected by various managemental factors. Manipulation of these factors causes changes in reproductive performance. Seasonal breeders are anim...

Journal: :Asian-Australasian Journal of Animal Sciences 1997

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