نتایج جستجو برای: lambing rate

تعداد نتایج: 960828  

Journal: :Journal of research in veterinary medicine 2021

In this study, fertility properties and growth traits of Kivircik sheep breed have investigated in Manisa province Turkey. Fertility such as lambing rate, single birth twins litter size, vital rate like weight, 30 days, 60 120 days weights calculated distribution according to sex type has analyzed. the first year trial; pregnancy one twin survival determined respectively 92.2%, 69.4%, 30.6%, 1....

Journal: :Journal of Animal Science 2023

Abstract Cache Valley Fever (CVF) is a mosquito-born, viral disease endemic to North America. While generally not associated with clinical symptoms in ewes, it affects fetal development during the first trimester of pregnancy resulting malformations and loss. A suspected outbreak CVF was recorded flock Barbados Blackbelly St. Croix hair sheep managed under an 8-mo, accelerated mating system ewe...

2000
G. W. MAJOR

Apart from acting as a source of infection for the lamb, the ewe's parasite status before and after lambing can influence its own productivity and that of the lamb. For example parasitized ewes could give birth to lighter lambs and Gordon (1958) found that infection with Haemonchus contortus reduced milk production. The effects of parasites could be direct or could act indirectly through an eff...

Journal: :Journal of advances in vetbio science and techniques 2022

The aim of this study is to determine some reproductive and gynecological lamb yield characteristics in Morkaraman ewes Iğdır province, Turkey. Reproductive fertility were recorded two breeding seasons. Clinically healthy 300 used. Estrus duration was statistically different the first second seasons (P=0.034). estrus rates 95% 97% seasons, respectively (P=0.211). According (first year), lambing...

پایان نامه :0 1391

employees always concern about losing their job , or in other word , losing their income resources. for this purpose, every government requires strong system for covering these concerns. the unemployment insurance (ui) program’s can be used for achieving this goal. in this thesis, we price ui based on the insurance history of employee and the duration of being unemployed. we use the weibull dis...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی 1391

the study of air infiltration into the buildings is important from several perspectives that may be noted to energy and design of hvac systems, indoor air quality and thermal comfort and design of smoke control systems. given the importance of this issue, an experimental and numerical study of air infiltration through conventional doors and windows has been explored in iran. to this end, at fir...

Journal: :Thorax 1991
B A Crosse P Gomes M M Muers

A woman in the first trimester of pregnancy presented with pneumonia and hilar lymphadenopathy after exposure to lambing ewes. She subsequently aborted. Infection with Chlamydia psittaci of ovine origin was confirmed. Pregnant women are susceptible to this infection, which may cause life threatening disease. The patient also had features of sarcoidosis, and the two conditions ran a similar time...

Journal: :Journal of Agricultural Sciences 2021

Purpose : The study was conducted to observe the prospects and problems of sheep farming in south-western coastal regions Bangladesh. Research Method based on survey data collection. An interview schedule prepared collect from farmers keeping objectives mind. Data were collected 90 who chosen randomly three different upazilas (sub-districts) covering 30 each. duration collection June September,...

Journal: :Journal of animal science 1992
J E Wheaton H F Windels L J Johnston

An experiment was conducted to determine whether controlled internal drug release devices-type G (CIDR-G) could be used in conjunction with the ram effect to advance the breeding season and lambing and thereafter could be reapplied to stimulate breeding of ewes to produce a second lambing in late summer. Finn crossbred and Columbia ewes were treated with CIDR-G from July 6 to 18. Rams, which ha...

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