Results 91 to 100 of about 1,481 (199)

Are the ecological impacts of alien species misrepresented? A review of the “native good, alien bad” philosophy [PDF]

open access: yes, 2010
The study of invasion ecology usually focuses on the negative impacts of alien species, while potential positive impacts are often overlooked. Understanding of biotic interactions may thus be skewed towards the negative, which could have important ...
Goodenough, Anne E
core   +1 more source

The first record of Heterakis gallinarum as a cause of fatal nodular typhlitis in golden pheasants (Chrysolophus pictus) in India. [PDF]

open access: yesIran J Vet Res, 2023
Sharma M   +10 more
europepmc   +1 more source

Wie kann man die Verwurmung eindämmen? [PDF]

open access: yes, 2011
Bei der Freilandhaltung von Gefl ügel erfolgt immer wieder eine Neuansteckung mit Magen-Darm-Parasiten. Das Ziel ist daher weniger die vollständige Ausrottung als vielmehr die Begrenzung auf ein für das Tier und den Menschen erträgliches Mass.
Maurer, Veronika
core  

A helmintofauna dos vertebrados terrestres da ilha de S. Miguel (Açores) : lista anotada das espécies conhecidas [PDF]

open access: yes, 1995
O presente trabalho refere-se aos resultados de pesquisas helmintológicas realizadas em 1746 hospedeiros, incluindo 14 espécies de vertebrados terrestres, envolvendo a quase totalidade das espécies domésticas e selvagens da ilha de S. Miguel.
Afonso-Roque, Maria Manuela
core  

Distribution of the main helminthosis in hens in Chechen Republic

open access: yesРоссийский паразитологический журнал, 2016
Ascaridiosis, heterakidosis and syngamosis are widely distributed in hens at floor-pasture land scheme of maintenance in Chechen Republic. 57,2; 50,5 and 38,75 % of hens are infected respectively with Ascaridia galli, Heterakis gallinarum and Syngamus ...
V. H. Gadaev
doaj  

A description of village chicken production systems and prevalence of gastrointestinal parasites: Case studies in Limpopo and KwaZulu-Natal provinces of South Africa

open access: yesOnderstepoort Journal of Veterinary Research, 2016
The majority of rural households in developing countries own village chickens that are reared under traditional scavenging systems with few inputs and exposure to various parasitic infestations. Understanding of the village chicken farming system and its
Dikeledi P. Malatji   +3 more
doaj   +1 more source

Gesundheitserhebung bei Legehennen zur Verbesserung der Tiergesundheit durch Implementierung von Tiergesundheitsplänen [PDF]

open access: yes, 2007
This study was implemented to improve animal health of laying hens on organic farms. 20 farms were selected and animal health was evaluated. The farmers were inter-viewed about the housing system and management practices.
Goeritz, Mareike   +5 more
core  

STUDI NEMATODA PADA AYAM PETELUR (Gallus gallus) STRAIN ISA BROWN DI PETERNAKAN MANDIRI KELURAHAN TEGAL SARI, KECAMATAN GADING REJO, KAB. PRINGSEWU, LAMPUNG [PDF]

open access: yes, 2017
Ayam petelur merupakan ayam yang khusus dipelihara untuk diambil telurnya. Kandungan protein telur yang tinggi serta harganya yang terjangkau membuat ayam jenis petelur ini banyak dibudidayakan. Namun dalam pembudidayaannya masih sering terdapat kendala,
Ananda, Rio Riski   +2 more
core   +3 more sources

Survey of Diseases in Wild Turkeys in Arkansas [PDF]

open access: yes, 1999
Nineteen dead wild turkeys were necropsied and 573 live wild turkeys were physically examined for pathological agents in Arkansas between 1992 and 1997 to determine the proximate role disease may play in declining wild populations in Arkansas.
Ciriano, Camille C.   +3 more
core   +1 more source

Identification of Possible Vectors for Histomoniasis in Turkeys on Commercial Farms in Arkansas and Oklahoma [PDF]

open access: yes, 2022
Histomonas meleagridis, is a parasitic protozoan, commonly found in the gallinaceous species of birds and is the causative agent of Blackhead disease. The cecal worm, known as Heteraskis gallinarum, acts as a vector in the spread of H.
Dillon, Treva
core   +1 more source

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