نتایج جستجو برای: anas platyrhynchos
تعداد نتایج: 1372 فیلتر نتایج به سال:
Brief Background Anas barbariae hepatis et cordis extractum 200CK HPUS) is a patented homeopathic preparation manufactured by a French-based company (Boiron Laboratories) that is marketed and widely used for the treatment and prevention of influenza symptoms. !e product is made from the heart and liver of wild duck and undergoes several dilutions (one part in 100; 200 times in a row [i.e., 200C...
Adult male domestic ducks were treated in autumn for 14 consecutive days with either (i) long-acting ACTH (20 IU/day), (ii) corticosterone (25 mg/day), (iii) dexamethasone (0.25 mg/day) or (iv) a control solution. Blood samples were obtained from all birds after 1, 3, 7 and 14 injections of hormones; on each of these occasions, a sample was obtained 3 times during the day. The 3 hormonal treatm...
This chapter reviews the role of various species in the genesis, persistence and spread of Asianlineage H5N1 HPAI viruses. Special attention is paid to the domestic duck (Anas platyrhynchos var. domesticus), which is considered to have played a key role in these processes. An understanding of the role of domestic ducks in the maintenance and spread of these viruses helps to explain why the curr...
A inibição da enzima colinesterase plasmática (BChE) pode ser utilizada como biomarcador para os efeitos intoxicação por organofosforados e carbamatos. Nas aves, esta ocorre de forma mais acentuada que nos mamíferos, porém poucos são trabalhos publicados nestas espécies. O objetivo do estudo foi a dosagem BChE em gansos-egípcios (Alopochen aegyptiacus) anseriformes domésticos: gansos-domésticos...
1) Department of Mathematics and Natural Sciences, Kristianstad University, SE-291 88 Kristianstad, Sweden (e-mail: [email protected]) 2) Department of Applied Biology, University of Helsinki, P.O. Box 27, FI-00014 University of Helsinki, Finland 3) Finnish Game and Fisheries Research Institute, Joensuu Game and Fisheries Research, Yliopistokatu 6, FI-80100 Joensuu, Finland 4) Department...
The ontogeny of continent-wide navigation mechanisms of the individual organism, despite being crucial for the understanding of animal movement and migration, is still poorly understood. Several previous studies, mainly conducted on passerines, indicate that inexperienced, juvenile birds may not generally correct for displacement during fall migration. Waterbirds such as the mallard (Anas platy...
Access to open water is considered good for the welfare of Pekin ducks. These studies investigated the effect that the type of water resource, provided over either straw bedding or a rubber mesh, had on measures of duck health. Pekin strain ducklings (n = 2,600) were managed in pens of 100 on straw over a solid concrete floor. In study 1, one of two water resources (nipple, n = 5 pens; wide-lip...
Pharyngeal swabs were collected from 298 lesser snow geese (Chen caerulescens caerulescens) at Banks Island (Northwest Territories. Canada) in the summer of 1994. Pasteurella multocida serotype 1 was isolated from an adult male bird and P. multocida serotype 3 was isolated from an adult female goose. Pathogenicity of the serotype 1 isolate was confirmed by inoculation in Pekin ducks (Anas platy...
BACKGROUND The highly pathogenic H5N1 avian influenza emerged in the year 1996 in Asia, and has spread to Europe and Africa recently. At present, effective monitoring and data analysis of H5N1 are not sufficient in Chinese mainland. METHODOLOGY/PRINCIPAL FINDINGS During the period from April of 2004 to August of 2007, we collected 14,472 wild bird samples covering 56 species of 10 orders in 1...
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