نتایج جستجو برای: domestic pigeons
تعداد نتایج: 71196 فیلتر نتایج به سال:
background: pigeons ( columba livia ) have been kept as pet and reared for food in several countries including iran. ectoparasites are regarded as the basic causes of retardation in growth, lowered vitality and poor conditions of the birds. pseudolynchia canariensis a hippoboscidae fly is one of the important ectoparasites of pigeons and is responsible for the transmission of pathogens to bird...
background: parasites affect the health and productivity of birds. haemoproteus columbae occurs in pigeons widely in tropical and subtropical regions. the present investigation was concentrated on the prevalence of h. columbae and rate of para-sitemia in domestic pigeons in southwest of iran. methods: pigeons regimented in three groups, less than six months old, between six and twenty four mont...
A cross-sectional survey was performed on domestic pigeons (Columba liviadomestica) to evaluate the prevalence of Haemoproteus columbae and Trichomonas gallinae in West Azerbaijan Province, northwest of Iran between July 2015 and September 2016. Five hundred and sixty oropharyngeal swab smears were examined, 297 (53%) of which were identified to be positive for T. gallinae. Also, the results ob...
Figure 1. Diversity among breeds of domestic pigeons (Columba livia). Variation among pigeon breeds is often of the magnitude observed among different species of birds, including beak size extremes of the (A) African owl and (B) Scandaroon; (C) the head crest of the Old German owl and (D) hood of the Jacobin; (E) supernumerary and elevated tail feathers of the fantail; and (F) scales versus (G)...
BACKGROUND Parasites affect the health and productivity of birds. Haemoproteus columbae occurs in pigeons widely in tropical and subtropical regions. The present investigation was concentrated on the prevalence of H. columbae and rate of parasitemia in domestic pigeons in southwest of Iran. METHODS Pigeons regimented in three groups, less than six months old, between six and twenty four month...
Mature and immature stages of Haemoproteus columbae gametocytes, an avian haemosporidian protozoan parasite were found in 75% of blood smears prepared from 30 healthy domestic pigeons in Sebele location, Gaborone, Botswana. Parenteral administration of an immuno-suppressive dose of dexamethasone, lowered the level of parasitaemia, the packed cell volume and the heterophil:lymphocyte ratio in th...
Three members of a family acquired psittacosis after exposure to a wild pigeon. Each of the patients had pulmonary infiltrates, prominent headache, abdominal complaints, and serologic evidence for infection with Chlamydia psittaci. Of 759 cases of psittacosis reported to the Centers for Disease Control for the period of 1974 to 1981, some 75 (10 percent) were associated with pigeons. Fifty-two ...
The purpose of the present study was to investigate the occurrence of Mycobacterium avium subsp. avium in naturally infected lofts of domestic pigeons, clinical signs, necropsy findings, differential susceptibility of male and female pigeons to infection and disease and vertical transmission. Eighty out of more than 600 pigeons were selected based on their clinical signs and poor health conditi...
Twelve adult domestic pigeons from Sebele, Gaborone, Botswana, were examined for the presence of helminth parasites. The cestode genus Raillietina and two species of nematodes, Dispharynx spiralis and Ascaridia columbae were recovered. Most pigeons (75 %) were infected with Raillietina spp. often in concurrence with A. columbae.
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