Captive brown brocket deer (Mazama gouazoubira) were manually restrained to assess tear production by the Schirmer tear test I to measure intraocular pressure by applanation tonometry, to examine ocular conjunctival epithelial cells via cytologic and histologic samples, and to survey ocular conjunctival microflora by microbiologic culture. The mean value for the Schirmer tear test I was 8.9 +/- 1.8 mm/min, and the mean intraocular pressure was 15.3 +/- 3.1 mm Hg. Conjunctival epithelium contained stratified pavimentous layers of cells, and the microflora consisted of predominantly gram-positive bacteria.
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http://dx.doi.org/10.1638/MS05-084.1 | DOI Listing |
Prog Neuropsychopharmacol Biol Psychiatry
January 2025
Department of Physiology and Institute of Physiology and Biophysics, School of Medicine, University of Buenos Aires, Buenos Aires, Argentina. Electronic address:
Environmental enrichment (EE) is a well-known strategy in animal behavior to improve the welfare and health of animals in captivity. EE provides animals with stimulating and engaging environments that promote natural behaviors, cognitive stimulation and stress reduction. EE turns out to be an important strategy to increase the validity and reproducibility of behavioral data.
View Article and Find Full Text PDFRev Sci Tech
December 2024
H5Nx A/Goose/Guangdong/1/96 Eurasian lineage high pathogenicity avian influenza (HPAI) viruses have been the main HPAI strains detected globally since 2005. These have spread around the world, causing a panzootic that has spanned six continents, with continual threat to not only wild and captive birds and poultry, but also wild, captive and domestic mammals and humans. The viruses' ecology and epidemiology - especially the 2.
View Article and Find Full Text PDFGenetic mixing aims to increase the genetic diversity of small or isolated populations, by mitigating genetic drift and inbreeding depression, either by maximally increasing genetic diversity, or minimising the prevalence of recessive, deleterious alleles. However, few studies investigate this beyond a single generation of mixing. Here, we model genetic mixing using captive, low-diversity recipient population of the threatened Southern brown bandicoot () over 50 generations and compare wild populations across south-eastern Australia as candidate source populations.
View Article and Find Full Text PDFPLoS One
November 2024
Faculty of Agriculture, Department Animal Science and Aquaculture, Dalhousie University, Truro, NS, Canada.
Understanding the gut microbiome of polar bears can shed light on the effects of climate change-induced prolonged ice-free seasons on their health and nutritional status as a sentinel species. The fecal microbiome of habitat-housed captive polar bears who had consumed a high protein diet long-term was compared with that of the wild population. Individual differences, season, year and dietary inclusion of a brown seaweed (Fucus spiralis; part of the natural diet of wild polar bears), as a representation for nutritional change, were investigated for their effects on the fecal microbiome of captive polar bears.
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