Results 151 to 160 of about 4,833 (177)

Endocrine monitoring of the ovarian cycle in captive female Amazonian manatees (Trichechus inunguis)

open access: yesAnimal Reproduction Science, 2013
The Amazonian manatee (Trichechus inunguis; Mammalia: Sirenia), a threatened aquatic mammal endemic to the Amazon basin, is the only sirenian that lives exclusively in fresh water. Information about the reproductive endocrinology of the Amazonian manatee is scarce; therefore, the aim of this study was to monitor salivary progesterone and estradiol ...
Amaral, Rodrigo S.   +4 more
openaire   +4 more sources

Phylogeography and population genetics of the endangered Amazonian manatee, Trichechus inunguis Natterer, 1883 (Mammalia, Sirenia)

open access: yesMolecular Ecology, 2005
We used mitochondrial DNA control region sequences to examine phylogeography and population differentiation of the endangered Amazonian manatee Trichechus inunguis.
José Antônio Alves-Gomes   +2 more
exaly   +2 more sources
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Reproductive Anatomy of the Female Amazonian Manatee Trichechus inunguis Natterer, 1883 (Mammalia: Sirenia)

open access: yesAnatomical Record, 2008
The Amazonian manatee (Trichechus inunguis) is uniparous and has a slow reproduction cycle due to a long gestation period and long interval between births.
Silva, Vera Maria Ferreira da   +7 more
exaly   +2 more sources

The Mammary Glands of the Amazonian Manatee, Trichechus inunguis (Mammalia: Sirenia): Morphological Characteristics and Microscopic Anatomy

open access: yesAnatomical Record, 2014
The mammaries from carcasses of two female Amazonian manatees were examined. Trichechus inunguis possesses two axillary mammaries beneath the pectoral fins, one on each side of the body.
Silva, Vera Maria Ferreira da   +5 more
exaly   +2 more sources

Sleep in an Amazonian manatee,Trichechus inunguis

Experientia, 1992
For the first time, sleep was studied in a representative of the order of Sirenia. Slow wave sleep occupied 27%, and paradoxical sleep 1% of the total recording time in the Amazonian manatee. Trichechus inunguis. The circadian rhythmicity of sleep was pronounced.
L M, Mukhametov   +4 more
openaire   +2 more sources

Temperature Regulation in the Amazonian Manatee Trichechus inunguis

Physiological Zoology, 1983
The mean core temperatures (Tc) of two Amazonian manatees (Trichechus inunguis) were 35.6 ± 0.1 C (X ± SD) and 36.1 ± 0.2 C at ambient water temperatures (Tw = 27–29 C). Based on metabolic rate (MR), the lower critical water temperature (TLC) of the larger manatee was 22-23 C. Above TLC, Tc varied with Tw, but the animal maintained Tc below TLC.
G. J. Gallivan   +2 more
openaire   +1 more source

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