نتایج جستجو برای: broiler chickens rearing farms

تعداد نتایج: 65262  

Journal: :Journal of Agricultural Extension and Rural Development 2023

Broiler farming creates wealth for farmers, but the system faces myriad constraints. The objectives of this study were to determine farmer’s willingness adopt welfare practices, farm biosecurity risks and cost production from selected farms in Kenya. Primary data collected using questionnaires 60 medium-scale large-scale farms, secondary on product condemnation downgrades a broiler meat p...

2006
T. Zahraei Salehi

Antimicrobial agents are used extremely in order to reducing the enormous losses caused by Escherichia coli infections (colibacillosis) in Iran poultry industry. In this investigation fifty avian pathogenic Escherichia coli (APEC) strains isolated from broiler chickens with colisepticemia and examined for susceptibility to antimicrobials of veterinary and human significance. In vitro antibiotic...

2012
S. K. Ebrahimzadeh P. Farhoomand K. Noori

The objectives of this study were to investigate the immune responses of broiler chickens fed diets supplemented with different level of chromium methionine (CrMet) in heat stress (HS) condition. Two hundred and eighty eight male broiler chickens (Ross 308) were allocated to four treatment groups (supplementation with 0, 200, 400 or 800 ppb Cr in the form of CrMet) in a completely randomized de...

2015
L. L. Sørensen B. Steenberg S. Chowdhury A. K. Ersbøll L. Alban

The objectives of the two studies presented were to estimate the prevalence of Campylobacter-positive farms and flocks and to acquire updated knowledge about risk factors for the introduction of Campylobacter in Danish broiler flocks. In the first study, from September 2010 to September 2011, there were 25 Danish broiler farms visited, and a questionnaire was filled in by a veterinarian/consult...

2008
Nicole L. Gottdenker Timothy Walsh Hernan Vargas Jane Merkel Gustavo U. Jiménez R. Eric Miller Murray Dailey Patricia G. Parker

Poultry production is an important economic activity on inhabited islands of the Galápagos archipelago. There has been a recent surge in both small-scale backyard chickens and larger scale broiler production associated with growth in the human population and the tourist industry. With increased poultry production, concerns have been expressed about the increasing risk of transfer of disease fro...

Journal: :Poultry science 2011
V F B Roll M A Dai Prá A P Roll

The reuse of poultry litter is a common practice in the Brazilian poultry industry for flocks of healthy chickens, due to 2 fundamental aspects: production cost and environmental sustainability. Litter is a potentially important source of infection for Salmonella, which requires characterization by microbiological analysis in different aspects of management and reuse. The objective of this stud...

2013
Adel Feizi Hossein Hosseini

Mycoplasma gallisepticum (MG) is one of the most important diseases in Iranian poultry industry and all over the world. Mortality, poor weight gain and increasing of feed conversion ratio (FCR) were seen in MG infected flocks, and causes economical losses particularly in broiler chickens that were used for meat production. In this study, 3 broiler breeder rural farms located around Tabriz city ...

Journal: :Revue scientifique et technique 2013
K M Osman M Elhariri

The use of antibiotic feed additives in broiler chickens results in a high prevalence of resistance among their enteric bacteria, with a consequent emergence of antibiotic resistance in zoonotic enteropathogens. Despite growing concerns about the emergence of antibiotic-resistant strains, which show varying prevalences in different geographic regions, little work has been done to investigate th...

Journal: :Applied and environmental microbiology 1996
A D Pearson M H Greenwood R K Feltham T D Healing J Donaldson D M Jones R R Colwell

A study of Campylobacter jejuni on a broiler chicken farm between 1989 and 1994 gave an estimated isolation rate of 27% (3,304 of 12,233) from a 0.9% sample of 1.44 million broiler chickens from six to eight sheds over 32 consecutive rearing flocks comprising 251 broiler shed flocks. During the study, C. jejuni was found in 35.5% of the 251 shed flocks but only 9.2% (23 of 251) had Campylobacte...

2017
Seyyedmousa Hosseini Mohammad Chamani Alireza Seidavi Ali Asghar Sadeghi

In the present experiment, 320 one day old Ross 308 broiler chickens were used completely randomized design with 4 treatments, 4 replicates, and each replicate contained 20 broiler chickens. Experimental treatments include control, 0.5, 1, and 2% of Thymolina powder in chickens’ diet. Thymolina is an antibacterial powder drug which is made by composing 4 medicinal plants. A significant differen...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید