نتایج جستجو برای: layer chickens
تعداد نتایج: 304227 فیلتر نتایج به سال:
OBJECTIVES Campylobacter jejuni isolated from broiler and layer chickens from registered abattoirs in KwaZulu-Natal, South Africa, were tested for their susceptibility to eight antibiotics. METHODS Using agar dilution, susceptibility to eight antibiotics was determined for C. jejuni recovered from the caeca. RESULTS A total of 155 isolates were collected of which 77 were identified as C. je...
Spray application of Mycoplasma gallisepticum (MG) vaccines is a labor- and time-saving means of mass vaccination of layer chickens. Recent assessment of spray characteristics of nozzles commonly used to apply MG vaccine in layer chicken operations has shown that the amount of respirable droplets (< 5 microm) is negligible. Topical application of vaccine onto the eye surface has been suggested ...
AIM The aim of the study was to examine pathology and the distribution pattern of Newcastle disease virus (NDV) in internal organs of chickens from a field case using immunohistochemical staining. MATERIALS AND METHODS 10 groups of broiler, layer, and domestic chicken were collected from necropsy room Division of Pathology, Bogor Agricultural University. These chickens were originated from We...
A retrospective study was performed to assess the mortality rates and clinical signs in commercial and backyard chickens naturally infected with the highly pathogenic avian influenza (HPAI) H5N1 virus in Bangladesh. All of the 33 commercial and 25 backyard farms, recorded during the first wave of HPAI outbreaks (January to November 2007) in Bangladesh, were enrolled in this study. The farm prof...
In the present study, efficacy of two prepared combined vaccines against salmonellosis and infectious coryza in poultry has been studied. Two vaccines were prepared using Salmonella Typhimurium and Enteritidis combined with Avibacterium paragallinarum serovars A, B, and C. one vaccine was adjuvanated with aluminium hydroxide gel and the other adjuvanated with montanide ISA71. The two vaccines w...
This study was carried out for the isolation and identification of Avibacterium paragallinarum, the etiological agent of infectious coryza (IC). Pathological changes were also investigated that occurred in organs in layer chickens obtained from some selected areas of Bangladesh. A nasal swabs (n=30) from dead chickens and four swabs from live chickens were collected aseptically. The organisms f...
چکیده ندارد.
The presence of essential amino acids and low anti-nutritional factors (ANFs) in Moringa oleifera leaf meal (MOLM) designates it as a good source nutrients for poultry. This study investigated the effect dietary MOLM on growth performance, semen, hatchability traits day-old chick weight Potchefstroom Koekoek (PK) chickens. Two isonitrogenous isoenergetic diets were formulated by diluting basal ...
This study aims to determine the egg production of layer strain isa brown with different patterns distribution rations in morning and afternoon. research was carried out Saentis Village, Percut Sei Tuan District, Deli Serdang Regency using 4,000 ISA chickens aged 20 weeks consisting first treatment 200 management giving 60% 40% during day, second used 2,000 50% ration Data were collected for 3 ...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید