Results 11 to 20 of about 77,799 (304)

Health Status and Stress in Different Categories of Racing Pigeons

open access: yesAnimals, 2021
The influence of different stress parameters in racing pigeon flocks, such as the presence of diseases and environmental conditions at the time of the races, were described.
Marjan Kastelic   +12 more
doaj   +1 more source

Evaluation of Welfare in Commercial Turkey Flocks of Both Sexes Using the Transect Walk Method

open access: yesAnimals, 2021
The study was conducted between March and September 2019 in six meat-type turkey flocks with similar management standard procedures using the transect walk method. The concept of the method is based on visual observation of the birds while slowly walking
Nina Mlakar Hrženjak   +9 more
doaj   +1 more source

Amphibians and reptiles encountered during an expedition to Panama [PDF]

open access: yes, 2023
.—During a recent expedition to five protected areas in Panama (Parque Nacional Volcán Barú andReserva Forestal Fortuna, Chiriquí Province; Parque Nacional Santa Fe, Veraguas Province; Parque Nacional Darien,Rancho Frío, Darien Province; and Mamoni ...
Villanueva-Maldonado, Rene   +5 more
core   +2 more sources

Factors Influencing Vertical Transmission of Psittacine Bornavirus in Cockatiels (Nymphicus hollandicus)

open access: yesViruses, 2022
The transmission of parrot bornavirus is still not fully understood. Although horizontal transmission through wounds can be one route, vertical transmission is still discussed.
Jessica Link   +5 more
doaj   +1 more source

Herpesviruses in Reptiles [PDF]

open access: yesFrontiers in Veterinary Science, 2021
Since the 1970s, several species of herpesviruses have been identified and associated with significant diseases in reptiles. Earlier discoveries placed these viruses into different taxonomic groups on the basis of morphological and biological characteristics, while advancements in molecular methods have led to more recent descriptions of novel ...
Okoh, God'spower   +3 more
openaire   +5 more sources

Monitoring of Organochlorine Pesticide and Polychlorinated Biphenyl Residues in Common Swifts (Apus apus) in the Region of Hannover, Lower Saxony, Germany

open access: yesVeterinary Sciences, 2021
The use of pesticides is associated with the decline of several avian species. In this study, we monitored the organochlorine contaminants in common swifts (Apus apus) in the years 2016 to 2018.
Warakorn Tiyawattanaroj   +3 more
doaj   +1 more source

Protamines of Reptiles [PDF]

open access: yesJournal of Biological Chemistry, 1996
We have characterized for the first time the complete primary structure of the main protamine components of the sperm from four reptiles: Chrysemys picta (turtle), Elaphe obsoleta (snake), Anolis carolinensis (lizard), and Alligator mississipiensis (crocodilian).
J G, Hunt   +12 more
openaire   +2 more sources

Richness and distribution of reptiles and amphibians in the tropical lowland habitats of Mt. Agad-Agad, Iligan City, Southern Philippines [PDF]

open access: yes, 2022
Knowledge of Philippine herpetofauna is progressively increasing. However, there are still areas in the country that are poorly understood and remain unexplored, particularly in the southern Philippines. Mt.
Patano Jr., Romeo R.   +13 more
core   +2 more sources

Color Flow Doppler Echocardiography in Healthy Racing Pigeons (Columba livia f. domestica) and the Evidence of Physiological Blood Flow Vortex Formations

open access: yesVeterinary Sciences, 2020
In avian medicine, Doppler sonographic techniques are used to visualize and estimate blood flow in the heart. In the literature there is a lack of standardized studies of the use of color Doppler flow on healthy avian species.
Marko Legler   +3 more
doaj   +1 more source

Tissue Distribution of Parrot Bornavirus 4 (PaBV-4) in Experimentally Infected Young and Adult Cockatiels (Nymphicus hollandicus)

open access: yesViruses, 2022
Proventricular dilatation disease (PDD) caused by parrot bornavirus (PaBV) infection is an often-fatal disease known to infect Psittaciformes. The impact of age at the time of PaBV infection on organ lesions and tissue distribution of virus antigen and ...
Jana Petzold   +6 more
doaj   +1 more source

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