Results 141 to 150 of about 935 (159)

Occurrence of Antibodies toToxoplasma gondiiandLepstospiraspp. in Manatees (Trichechus inunguis) of the Brazilian Amazon

Journal of Zoo and Wildlife Medicine, 2012
The presence of Toxoplasma gondii and Leptospira spp. antibodies was investigated in 74 manatees (Trichechus inunguis [Mammalia: Sirenia]) kept in captivity in two rescue units in the northern region of Brazil. Antibodies to T gondii were detected in 29 (
Patrick D Mathews, Vera M F da Silva, J P Dubey   +2 more
exaly   +2 more sources

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A note on the histology and pharmacology of the hypophysis of the manatee (trichechus inunguis)

The Anatomical Record, 1938
Frances K Oldham, E M K Geiling
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, O I, Lyamin, I S, Chetyrbok, A A, Vassilyev, R P, Diaz   +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, R. C. Best, J. W. Kanwisher   +2 more
openaire   +1 more source

Reproductive Anatomy of the Female Amazonian Manatee Trichechus inunguis Natterer, 1883 (Mammalia: Sirenia)

Anatomical 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.
Vera M F da Silva, JOSÉ Fernando Marques Barcellos   +1 more
exaly   +2 more sources

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

Molecular Ecology, 2005
We used mitochondrial DNA control region sequences to examine phylogeography and population differentiation of the endangered Amazonian manatee Trichechus inunguis.
Vera M F da Silva, Izeni Pires Farias, Tomáš Hrbek   +2 more
exaly   +2 more sources

Seasonal Breeding in the Amazonian Manatee, Trichechus inunguis (Mammalia: Sirenia)

Biotropica, 1982
exaly   +2 more sources

Herpesvirus and adenovirus surveillance in threatened wild West Indian (Trichechus manatus) and Amazonian manatees (Trichechus inunguis), Brazil

Acta Tropica, 2023
African (Trichechus senegalenses), West Indian (T. manatus), WIM)], and the Amazonian manatees (T. inunguis, AMM). Whereas WIM inhabits both riverine and coastal systems in the western Atlantic, AMM is the only exclusively freshwater sirenian, endemic to the Amazon River Basin.
Ewbank, Ana Carolina, Duarte-Benvenuto, Aricia, Zamana-Ramblas, Roberta, Sacristán, Irene, Costa-Silva, Samira, Carvalho, Vitor L., De Mello, Daniela M.D., da Silva, Vera Maria Ferreira, Catão-Dias, J. L., Sacristán, Carlos   +9 more
openaire   +3 more sources

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

Animal 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., Weber Rosas, Fernando Cesar, Silva, Vera Maria Ferreira da, Nichi, Marcílio, Oliveira, Cláudio Alvarenga de   +4 more
openaire   +3 more sources

Hypoxia and Hypercapnia in the Respiratory Control of the Amazonian Manatee (Trichechus inunguis)

Physiological Zoology, 1980
The steady-state responses to hypoxia and hypercapnia were studied in freely diving Amazonian manatees (Trichechus inunguis). Breathing room air, the manatees had an end-dive alveolar O₂ Of 60 mm Hg and an alveolar CO₂ of 71 mm Hg. Minute ventilation increased linearly with inspired CO₂ during the hypercapnic breathing and the animals maintained a ...
openaire   +1 more source