|
|
|
| Registros recuperados: 10 | |
|
|
| Almeida,A.T.S.; Daemon,E.; Faccini,J.L.H.. |
| The biological cycle of female ticks of Amblyomma cooperi was studied under controlled conditions. The study has begun with two engorged females collected in a naturally infested wild capybara. The larvae originated from the oviposition of these two females were used for collecting young adults through artificial infestations in rabbits. The female parasitic and free living phases were evaluated using artificial infestation of ticks in a capybara. The average body weight of females was 958.2± 175.6mg, the average pre-egg laying period was 8.5± 1.4 days, the reproductive efficiency index was 59.5± 4.2 and the nutritional efficiency index was 77.3± 4.8. The incubation and eclosion periods were 41.9 and 5.9 days, respectively, and the rate of eclosion was... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Tick; Amblyomma cooperi; Life cicle; Capybara. |
| Ano: 2001 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352001000300008 |
| |
|
|
| Costa,D.S.; Paula,T.A.R.. |
| The testosterone levels with nasal gland volume and Leydig cell morphometry in sexually mature capybaras were compared using 10 adult capybaras, aging 28 months. Body and testicular weight were 50kg and 28g, respectively. The gonadosomatic index was 0.11±0.02%, while nasal gland volume was 34.12±13.04ml. Serum testosterone concentration was 25.07±14.73ng/ml. Leydig cell volume density and leydigosomatic index were, respectively, 28.8±8.3% and 0.030±0.007%. Total and individual Leydig cell volumes were 6.88±1.92ml and 2,228.14±272.59x10-12ml, respectively. Leydig cell numbers per testis and per gram of testis were, respectively, 3,079.4±719.9x10(6) and 115.09±31.78x10(6) cells. These results show that increase in serum testosterone concentration is... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Capybara; Testosterone; Morphometry; Leydig cells; Nasal gland. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352006000600017 |
| |
|
| |
|
| |
|
| |
|
|
| Paula,Tarcízio Antônio Rego de; Matta,Sérgio Luiz Pinto da; Silva Jr.,Valdemiro Amaro da; Costa,Deiler Sampaio; Fonseca,Cláudio Cesar; Neves,Marco Túlio David das. |
| This study aimed at the qualitative and quantitative characterization of the different intertubular tissue components in adult male capybara. Testes of 15 adult capybaras from a commercial slaughterhouse of wild animals were used. The average percentage of Leydig cells was 32.95 ± 10.03 %, whereas in the other components of the intertubular space it was 14.95 ± 4.79 %, thus the whole intertubular space totalized 47.91 ± 11.48 %. The average weight of the testes were 32.83 ± 4.78g, while the animals' body weight were around 52.37 kg and the gonadosomatic and leydigosomatic indexes were 0.125 ± 0.02% and 0.0411 ± 0.0148% respectively. It was concluded that the leydigosomatic index of the capybaras was lower than the one observed in rats, as well as the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Intertubular space; Leydig cell; Testis; Capybara; Hydrochoerus hydrochaeris. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000200014 |
| |
|
|
| NASCIMENTO,Adjair Antonio do; BONUTI,Marcos Roberto; TEBALDI,José Hairton; MAPELI,Elaine Bernardo; ARANTES,Isaú Gouveia. |
| From 36 capybaras, slaughtered between 1989 and 1996, 11 young, less than 6 months old, and 25 adults, in the floodplain region of Mato Grosso do Sul, 570 Filarioidea nematodes were collected. Three hundred and ninety-four specimen of Cruorifilaria tuberocauda were collected from the renal arteries (380) and from pulmonary arteries (14) and 176 specimen of Yatesia hydrochoerus from the fasciae of skeleptical muscles, mainly from the obliquus externus abdominis region and from the internal faces of hind limbs. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Nematoda; Filarioidea; Capybara; Hydrochaerus hydrochaeris. |
| Ano: 2000 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-95962000000200003 |
| |
|
|
| Souza,Celso Eduardo de; Souza,Savina Silvana Lacerra de; Lima,Virgília Luna Castor; Calic,Simone Berger; Camargo,Maria Cecilia Gibrail Oliveira; Savani,Elisa San Martin Mouriz; D'Auria,Sandra Regina Nicoletti; Linhares,Arício Xavier; Yoshinari,Natalino Hajime. |
| Diseases transmitted by ticks have been an important health problem all over the world. Brazilian Spotted Fever (BSF) stands for a serious epidemiological concern due to the high mortality rates pointed out. Capybaras are commonly incriminated as possible reservoirs in the BSF transmission cycle. In the last decades the numbers of these animals raised sharply and they have invaded human areas. They intensify the contact between ticks and humans beings. This study aim is to contribute to the possible role performed for this rodent in the BSF epidemiology in some areas located in Campinas region, São Paulo. Cabybaras infected by rickettsiae of BSF group were studied through the analysis of the frequencies of BSF-group rickettisae antibodies titer = 64 by... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Rickettsia; Amblyomma; Hydrochoerus hydrochaeris; Capybara; Spotted Fever. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782008000600031 |
| |
|
| |
|
|
| PARÉS-CASANOVA,PERE MIQUEL. |
| ABSTRACT The mammalian masticatory apparatus is a highly plastic region of the skull and thus subjected to singular ontogenetic trajectories. Here we present the first descriptive allometric pattern study of mandible among the capybara (Hydrochoerus hydrochaeris), based on the study of 37 specimens. Allometric changes in shape were analyzed using geometric morphometrics techniques and the pattern of allometry was visualized. A multivariate regression of the shape component on size, estimated by the logarithm of centroid size, appeared as highly significant. Therefore, a major component of shape variation in these mandibles is related to the attainment of adult size (i.e., growth). |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Capybara; Jaw; Ontogeny; Rodentia; Scaling. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492017003500451 |
| |
| Registros recuperados: 10 | |
|
|
|
