Results 151 to 160 of about 61,428 (177)

A giant gardener of the Floodplains: The Amazonian manatee

Journal for Nature Conservation
Maria Teresa F Piedade, Miriam Marmontel, Denise Garcia De Santana   +2 more
exaly   +2 more sources

Metabolism and Respiration of the Amazonian Manatee (Trichechus inunguis)

Physiological Zoology, 1980
A study was made of respiration and metabolism in Amazonian manatees (Trichechus inunguis) weighing between 20 and 170 kg. These animals had a low metabolic rate, 0.36 times that predicted by Kleiber's 1975 equation for placental mammals. They also had a low breathing frequency and minute ventilation, and high O₂ extraction and CO₂ output.
G. J. Gallivan, R. C. Best
openaire   +1 more source

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

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

Biotropica, 1982
exaly   +2 more sources

Acute necrotizing colitis with pneumatosis intestinalis in an Amazonian manatee calf

Diseases of Aquatic Organisms, 2016
On 25 January 2014, a 1 mo old female Amazonian manatee Trichechus inunguis calf weighing 12 kg was rescued by air transport in Guajará, Brazil, and transferred to Mamirauá Institute's Community-based Amazonian Manatee Rehabilitation Center. The calf presented piercing/cutting lesions on the back, neck, and head, in addition to dehydration and ...
Guilherme, Guerra Neto, Marina, Galvão Bueno, Rodrigo Otavio, Silveira Silva, Francisco Carlos, Faria Lobato, Juliana, Plácido Guimarães, Gregory D, Bossart, Miriam, Marmontel   +6 more
openaire   +2 more sources

Growth Curve of Amazonian Manatee (Trichechus inunguis) in Captivity

Aquatic Mammals, 2019
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) ; Research Unit of Faculty of Animal Husbandry of UNALM ; CNPq: 130997/2019-6 ; The objective was to describe the growth curve for Amazonian manatees (Trichechus inunguis) raised in a captive facility in the Peruvian Amazon.
Mendoza, Pierina, Velasquez, Javier, Sanchez, Juan, Davila, Leonardo, Loja, Darwin, Riveros, Rony, Vilchez, Carlos   +6 more
openaire   +2 more sources

Serum biochemical analytes in captive Amazonian manatees (Trichechus inunguis)

Veterinary Clinical Pathology, 2011
Background: Establishment of reference values for serum biochemical analytes is important for monitoring health and physiological status of captive animals.Objective: The purpose of this study was to measure and report ranges for serum biochemical analytes in Amazonian manatees (Trichechus inunguis).Methods: Blood samples were collected from 24 ...
Mello, Daniela Magalhães Drummond de, Silva, Vera Maria Ferreira da, Weber Rosas, Fernando Cesar   +2 more
openaire   +3 more sources

Acoustic tagging for counting feeding events of captive Amazonian manatees

The Journal of the Acoustical Society of America, 2012
The Amazonian manatee is one of four extant species in the mammalian order Sirenia. They are restricted to the freshwater rivers, lakes and floodplains of the Amazonian river basin where they eat floating and emergent aquatic plants. Visual observation of wild manatees is nearly impossible because of the turbid water and tiny exposure of nose at gentle
Mumi Kikuchi, Tomonari Akamatsu, Diogo A. de Souza, Fernando C. W. Rosas, Vera M. F. da Silva   +4 more
openaire   +1 more source

Apparent Dry-Season Fasting in Amazonian Manatees (Mammalia: Sirenia)

Biotropica, 1983
Amazonian manatees (Trichechus inunguis), restricted to deep water areas in the larger lakes in the central Amazon during the dry season, do not have any obvious food sources until water levels rise between 1-2 m. Evidence from Lago Amana suggests almost seven months of fasting.
openaire   +1 more source

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