نتایج جستجو برای: flock

تعداد نتایج: 3404  

Journal: Poultry Science Journal 2020
Ali MZ, Arefin N Bary MA Bhuiyan ZA, Moula MM Shaon MTW

Flock health monitoring program is an important system, used in the poultry industry worldwide to minimize the production cost, detect clinical and subclinical diseases and acquire data to make comparisons among the farms and identify the future research area. The present study was aimed to investigate the broiler health status through a flock health monitoring program using the lesion scoring ...

Abbas Tavasoli Faramarz Gharegozloo Golshid Javdani Mahdi Vojgani Nahid Atyabi, Reza Youssefi

Ewe abortion and neonatal mortality are serious problems to sheep farmer. The objective of this paper was to report isolation of Erysipelothrix rhusiopathiae from aborted fetuses in a flock in Tehran, Iran. Abortion occurred in 10% of ewes in the flock. The fetuses were well developed and pinpoint, necrotic-like lesions were recorded on the placental cotyledons, whilst the inter -cotyledonary a...

Journal: :iranian journal of veterinary research 2014
h. sharifi s. tabatabaei h. rashidi s. kazeminia f. sabbagh

this cross-sectional study was conducted to estimate seroprevalence and to identify flock-level factors associated with seropositivity to brucellosis in small ruminants in kerman province, southeastern iran. in october-november 2011, serum samples were randomly collected from 1767 sheep and 1233 goats, older than 18 months, from 300 flocks. the sera were initially screened for the presence of a...

Journal: :IJALR 2012
Hisashi Murakami Takayuki Niizato Yukio-Pegio Gunji

Recently, new empirical research of flocking behavior has been accumulated. Scale-free proportion has revealed how a flock can appear to behave as if it has one mind and body. The notion of scale-free proportion implies that the correlated domain within a flock is not constant size, but is proportional to flock size. Scale-free proportion can be explained by previous models, such as BOIDS based...

Journal: :Journal of the American Association of Instructors and Investigators of Poultry Husbandry 1919

A. Mirshamsollahi, R.A. Azizi

This study deals with effects of supplementary feeding on fertility performance of Farahani ewes. The study was conducted using three local flocks in Arak city, Iran. Half ewes in each flock (50 ewes from each flock) were used as control group and fed according to traditional method without supplementary feed. The other half per flock was fed on supplementary feed throughout the experiment that...

Journal: :The Canadian veterinary journal = La revue veterinaire canadienne 2006
Earl J Van Assen

A flock of 4287 heavy hybrid turkey hens were accidentally fed broiler premix containing salinomycin sodium and suffered a 34.5% death loss. Measures taken to ensure food safety for the remaining flock and consumer food safety included feed record studies, on-farm veterinary consultation, diagnostic laboratory studies, and CgFARAD and CFIA consultation. The remaining turkeys were processed 3 we...

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