Manual Collection and Semen Characterization in a West Indian Manatee (Trichechus manatus)
نویسندگان
چکیده
منابع مشابه
The visual pigments of the West Indian manatee (Trichechus manatus)
Manatees are unique among the fully aquatic marine mammals in that they are herbivorous creatures, with hunting strategies restricted to grazing on sea-grasses. Since the other groups of (carnivorous) marine mammals have been found to possess various visual system adaptations to their unique visual environments, it was of interest to investigate the visual capability of the manatee. Previous wo...
متن کاملAcute myocarditis in a West Indian Manatee, Trichechus manatus (Sirenia: Trichechidae), from Puerto Rico
A 12-year old, adult male, West indian Manatee, Trichechus manatus, which stranded in Ponce, Puerto Rico 26 August 1992, died from cardiac failure. Suppurative epicarditis, myocarditis and endocarditis with mild to moderate degeneration and necrosis was caused by an unidentified infectious agent. Moderate to heavy parasite respiratory infections with Cochleotrema cochleotrema and intestinal inf...
متن کاملPhylogeography of the West Indian manatee (Trichechus manatus): how many populations and how many taxa?
To resolve the population genetic structure and phylogeography of the West Indian manatee (Trichechus manatus), mitochondrial (mt) DNA control region sequences were compared among eight locations across the western Atlantic region. Fifteen haplotypes were identified among 86 individuals from Florida, Puerto Rico, the Dominican Republic, Mexico, Columbia, Venezuela, Guyana and Brazil. Despite th...
متن کاملColor Vision in the Manatee (Trichechus manatus)
Four manatees were trained to discriminate between a colored stimulus and a shade of gray in a two-fold simultaneous choice situation. The colors blue, green, red and blue-green were tested against shades of gray varying from low to high relative brightness. The animals distinguished both blue and green from a series of grays but failed to discriminate red and blue-green from certain steps of g...
متن کاملIntraspecific and geographic variation of West Indian manatee (Trichechus manatus spp.) vocalizations.
Recordings of manatee ~Trichechus manatus spp.! vocalizations were made in Florida and Belize to quantify both intraspecific and geographic variation. Manatee vocalizations were relatively stereotypical in that they were short tonal harmonic complexes with small frequency modulations at the beginning and end. Vocalizations ranged from almost pure tones to broader-band tones that had a raspy qua...
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ژورنال
عنوان ژورنال: Frontiers in Veterinary Science
سال: 2020
ISSN: 2297-1769
DOI: 10.3389/fvets.2020.569993