Results 41 to 50 of about 9,879 (228)
The first appearance, distribution and frequency of immunoglobulins (Igs)-positive lymphocytes were investigated in the lymphoid organs of native chicken’s embryos from embryonic day (ED) 8 to ED 20.
Md. Nabiul Islam+4 more
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Age-related histology of the bursa of Fabricius in bronze turkeys (Meleagris meleagris gallopavo)
The aim of the present study was to establish age-dependent histological changes occurring in the bursa of Fabricius of bronze turkeys. To this end, histological preparations from 60 clinically healthy birds (30 males and 30 females) were examined by ...
G. Penchev
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The Presence of Immunoglobulin in the Bursa of Fabricius ,
Abstract Three-week-old birds were immunized with 40 mg. bovine serum albumin (BSA) per Kg. body weight. The bursa of Fabricius was removed 30 minutes after BSA injection and from another group of birds at 24-hour intervals for 5 consecutive days. The bursa was frozen −25°C. and sectioned in a cryostat (−25°C.) at 4 mμ.
Sandra Whatley, Bruce Glick
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Determine the weight of thymus, bursa of Fabricius and spleen and its ratio to body weight in some diseases of broilers [PDF]
Evaluation of lymphoid organs weight and determination of their weight: body weight ratio is the most used model to estimate protection rate given by vaccines against some diseases.
H. M. Majed , H. Sahar
doaj
Investigations on the Developing Chicken Bursa of Fabricius
n ...
S. Stefoni+3 more
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Cordyceps militaris is a well-known Chinese medicinal fungus that has been used as a nutraceutical food in several Asian countries. Cordycepin (3′-deoxyadenosine), a secondary metabolite produced from Cordyceps militaris, has been demonstrated to exert a
Yeong-Hsiang Cheng+2 more
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Cryptosporidium spp. in bursa of Fabricius of broiler chickens from Uruguay
The presence of Cryptosporidium spp. was detected in broiler chickens of 32-40 days of age, colonizing the bursa of Fabricius. The histologic study with haematoxylin and eosin staining was done on specimens of trachea, complete intestinal tract and bursa.
Susana Casanova+2 more
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Background Thymus, bursa of Fabricius and spleen are the major lymphoid organs of avian species that plays a crucial role in their immunity. Though glucocorticoids are reportedly used as growth promoters, they also suppress the immune system.
Rafiqul Islam+3 more
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A transmissible disease of the bursa of Fabricius of ducks [PDF]
Longitudinal surveys of commercial Pekin ducks from four farms with a history of poor flock performance and high mortality rate showed that there was lymphoid depletion of the bursa of Fabricius in most ducks selected from 7 days of age onward. Such lesions were not present in Pekin ducks from a farm with a history of good flock performance and low ...
J. A. Smyth, M. S. McNulty
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&NA; Vaccination is recognized to be the most cost‐effective means of preventing, controlling, and even eradicating infectious diseases. Conventional poultry are vaccinated through various routes including eye/nose drops, drinking water, vent brush, or ...
M. E. Ifrah+3 more
semanticscholar +1 more source