Results 31 to 40 of about 1,454,960 (384)
Evaluation of Welfare in Commercial Turkey Flocks of Both Sexes Using the Transect Walk Method
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
Bottlenose dolphins have a complex vocal repertoire that varies depending on behavioral context, social structure, group composition, and anthropogenic pressures.
Aylin Akkaya +14 more
doaj +1 more source
Natural or human-induced environmental changes can modify the structure of ecological communities and thus alter food web interactions. After the collapse of hake stocks (Merluccius hubbsi) provoked by fisheries over the Patagonian shelf in 1997 profound
Damián G. Vales +4 more
doaj +1 more source
Spontaneous Tumors and Non-Neoplastic Proliferative Lesions in Pet Degus (Octodon degus)
In recent years, degus (Octodon degus), rodents native to South America, have been becoming increasingly popular as pet animals. Data about neoplastic diseases in this species are still sparse and mainly limited to single-case reports.
Tanja Švara +4 more
doaj +1 more source
Occurrence of the Sinus Nematode Skrjabingylus sp. (Nematoda: Metastrongyloidea) Inferred from Sinus Lesions in Arkansas Mustelidae and Mephitidae, with review of relevant literature [PDF]
Nasal nematodes of the genus Skrjabingylus occur in the mammalian families Mustelidae and Mephitidae, and have been found from Canada to Costa Rica.
Tumlison, C. Renn, Tumlison, Terry
core +3 more sources
While parrot bornaviruses are accepted as the cause of proventricular dilatation disease (PDD) in psittacine birds, the pathogenic role of bornaviruses in common canaries is still unclear.
Monika Rinder +4 more
doaj +1 more source
Within-guild dietary discrimination from 3-D textural analysis of tooth microwear in insectivorous mammals [PDF]
Resource exploitation and competition for food are important selective pressures in animal evolution. A number of recent investigations have focused on linkages between diversification, trophic morphology and diet in bats, partly because their roosting ...
Crumpton, Nicholas +4 more
core +1 more source
Nitric oxide synthases in mammals.
Nitric oxide is an inorganic free radical gas, of formula *N=O (abbreviated as NO). The discovery in 1987/88 that vascular endothelial cells are able to synthesize NO from L-arginine as a transcellular signal [1-4] was initially received by most ...
Richard Graham Knowles, S. Moncada
semanticscholar +1 more source
This paper centers on selected—and particularly, little recognized— problems in mammalian olfaction: (1) With certain exceptions the spacing of the external nares in most mammals does not favor orientation in an odor gradient by simultaneous comparisons of odor intensities (tropotaxis).
openaire +2 more sources
The ventricular filling velocities during diastole and the influence of isoflurane anesthesia on these blood flow velocities of the racing pigeon (n = 43) are evaluated by pulsed-wave (PW) Doppler sonography. Sonographic examination demonstrates an early
Marko Legler +3 more
doaj +1 more source

