A free powerpoint ppt presentation displayed as a flash slide show on id. Full year 2006 earnings 1 speakers jacques ehrmann, chairman and chief executive officer. Large bursae fabricii in leg horntype baby chickens. Apoptosis occurs during early development of the bursa of. Welcome to bourse data stock market software solutions. The purpose of this study was to observe the agerelated development and histomorphological changes in the bursa of fabricius bf in chinese yellow quails.
Jutilise prorealtime qui est une plateforme gratuite. The live recombinant avian vaccine comprising, as a vector, an avian herpes virus comprising at least one nucleotide sequence encoding and expressing an antigenic polypeptide of an avian pathogenic agent, inserted into the ul43 gene under the control of the cmv immediate early promoter. The bf arises in the tail bud, caudal to the cloaca and in close. Microscopic study of the bursa of fabricius bf, assessment of lesion changes in infectious bursal disease ibd and realization of a detailed atlas with colored illustrations. Despite the fundamental importance of the bf to the birth of b lymphocytes in the immune system, the embryological origin of the epithelial component of the bf remains unknown. It is a blind sac connected by a small duct to the dorsal part of the cloaca. Evidence for enzymes of steroid metabolism in the bursa of. Anatomie et anatomopathologie microscopiques sellaoui sassia1, nadir alloui1, djaaba saddek2 1 poultry science. Experimental evidence for the ectodermal origin of the. Oct 05, 2004 the bird examined was a 10weekold female gouldian finch chloebia gouldiae from an aviary that had housed about 100 gouldian finches, which had nasal discharge, dyspnoea, anorexia, depression and a very high mortality 50% in both adult and young birds. Mareks disease is a multifaceted highly contagious disease affecting chickens caused by the mareks disease alphaherpesvirus mdv. Age morbidite symptomes tumeurs nerfs tumeurs gonades tumeurs oeil t.
Cloacal bursae from threeweekold gnotobiotic turkeys were examined by light and electron microscopy and bacteriologic techniques at 1, 2, 5, 8, 12, and 16 days after oral inoculation of highly vi. The bursa of fabricius was first observed by hieronymus fabri. Recevez gratuitement nos guides boursiers exclusifs. The villagers, as they always have done, will rise against the stranger and heretic who comes to suck the wealth of spain. Manual of standards for diagnosic tests and vaccines. Decouvrez nos guides telechargeables gratuitement au format pdf.
Growth of the bursa of fabricius and its relationship to. Unusual lesions associated with avian poxvirus infection in. The following list, compiled during my tenure of a grant given by the nuffield foundation to the wildfowl trust, slimbridge, gloucestershire, records species of protozoa, helminths and arthropoda found in anatid birds, either by the authors of the papers listed in the references, or by others to whose work these authors refer. Mar 10, 2015 aspects fondamentaux 2 steroides sexuels et reponse immunitaire 1. Aspects fondamentaux 2 steroides sexuels et reponse immunitaire. Immunosuppression and histopathological changes in the. Mdv early infection induces a transient immunosuppression, which is associated with thymus and bursa of fabricius atrophy. Agerelated development and histomorphological observation of. There is no question that the bursa of fabricius functions as a lymph gland during the first two to three months after the chicken.
Aspects fondamentaux 2 steroides sexuels et reponse immunitaire 1. Gatherings from spain to disliking regular sustained labour himself, abhors seeing the foreigner toiling even in his service, and wasting his gold and sinews in the thankless task. Volume 95 issue 3 canadian journal of animal science. The bursa of fabricius is a structure peculiar to aves. Toxic effect of carrageenan on lymphoidfollicle associated.
Histological study on bursa of fabricius of quail birds coturnix coturnix japonica december 2015. In birds, the bursa of fabricius is the site of hematopoiesis, a specialized organ that, as first. Bourse data pty ltd level 7, 7 macquarie place sydney nsw 2000 australia. Ep0728842a2 live recombinant avian vaccine based on an. Circovirus infection in a gouldian finch chloebia gouldiae. A transmissible disease of the bursa of fabricius of ducks. The bursa of fabricius and antibody production sciencedirect.
Microscopic study of the bursa of fabricius bf, assessment of lesion changes in infectious bursal. The bursa of fabricius bf is a central lymphoid organ of birds responsible for bcell maturation within bursal follicles of epithelial origin. Agerelated development and histomorphological observation of bursa of fabricius in yellow quails. Evidence for enzymes of steroid metabolism in the bursa of fabricus. The bursa of fabricius bf is a unique primary lymphoid organ that is observed only in birds, and is responsible for the development and differentiation of b lymphocytes. Bourse data has been a respected name in the share trading industry since 1992 and has grown to be one of australias most trusted and leading suppliers of stock market analysis software and financial market data for private and professional investors and traders. Often nicknamed the cloacal thymus, the function of the bursa is believed to be similar to that of the thymus riddle, 1928. Cloacal bursae from threeweekold gnotobiotic turkeys were examined by light and electron microscopy and bacteriologic techniques at 1, 2.
The bird examined was a 10weekold female gouldian finch chloebia gouldiae from an aviary that had housed about 100 gouldian finches, which had nasal discharge, dyspnoea, anorexia, depression and a very high mortality 50% in both adult and young birds. Since the time of fabricius the histology of the bursa has been. Telecharger lire download read telecharger description. Little is known about the cellular processes involved in primary lymphoid organ atrophy.
1170 566 97 115 370 1453 416 334 273 374 328 572 1298 83 86 1505 795 1311 783 775 1397 1387 756 870 1073 1427 405 1444 289 1392 1379 1499 318 68 1324 262