Seasonal morphological variations in bird schistosomes
نویسندگان
چکیده
منابع مشابه
Seasonal morphological variations in bird schistosomes.
The present work is a contribution to the systematics of Bilhorziello and Dendritobilharzio. Wildfowl was killed in hunting seasons or found dead in Champagne-Ardenne region, France, and autopsied with focus on schistosomes. Seven Anas plotyrhynchos (mallards), one Ardeo cinerea (grey heron) and two Cygnus olor (mute swans) were parasitized by Bilharziella. One C. olor was parasitized by Dendri...
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In 2005, we dissected 102 wildfowl from the Czech Republic and 73 wildfowl from Poland including representatives of Anseriformes, Gruiformes and Gaviiformes. Schistosome infection was found in a total of 21 (29%) and 23 (23%) birds from Poland and the Czech Republic, respectively. All infected birds belonged to the order Anseriformes. The prevalences of nasal and visceral species were, respecti...
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The month of birth of boys undergoing orchidopexy in the Oxfordshire Health District during the years 1974-83 was analysed. A significant seasonal variation with a peak in April was found for those boys operated upon by paediatric surgeons at a young age (0-4). Possible causes of this variation and its relationship to the aetiology of cryptorchidism are discussed.
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The aim of this study is to determine the serum copper (Cu) concentration found in Iranian Raeini cashmere goats in different seasonal and climatic conditions. Twenty four male (6 to 18 months old) and 48 female (6 to 18 and 18 to 30 months old) Raeini goats were selected from the station, rural, and nomadic flocks. The average Cu concentrations among the male and female goats were 0.5 ± 0.04 a...
متن کاملSeaSonal variationS in the morphological and functional development of girlS and boyS aged 14–15
Purpose. During a biological year one can observe the effects of seasonal change on the number of functions and processes in the human organism. The rhythmical seasonal changes of a year are directly connected with a number of the functions of the human body. In humans, the first six months of a year are characterized by increased sympathetic nervous activity, while the next six months are char...
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ژورنال
عنوان ژورنال: Parasite
سال: 2006
ISSN: 1252-607X,1776-1042
DOI: 10.1051/parasite/2006133205