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	Provedor de dados Braz. J. Vet. Res. Anim. Sci. (2) Autor NOGUEIRA,Guilherme de Paula (2) BARNABE,Renato Campanarut (1) CASTRO,João César Bedran de (1) MOREIRA,Alankardson Ferreira (1) OLIVEIRA,Cláudio Alvarenga de (1) VERRESCHI,Ieda Terezinha do Nascimento (1) Mais... Palavra-chave Animal reproduction (1) Birth (1) Fillies (1) Milk (1) Progesterone (1) Steroids (1) Tapirus terrestris (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2001 (1) 2000 (1) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Post partum reproductive assessment in lowland Tapir (Tapirus terrestris): a case report Braz. J. Vet. Res. Anim. Sci. OLIVEIRA,Cláudio Alvarenga de; NOGUEIRA,Guilherme de Paula; CASTRO,João César Bedran de. The lowland tapir is the biggest Brazilian terrestrial mammal, which belongs to the order Perissodactyla, suborder Hippomorpha, superfamily Tapiroidea and a member of the family Tapiridae. At tropical forest the tapir is involved with seed dispersal. The knowledge of this wild animal reproductive cycle is one way to help its preservation. The stress due to restrain of captive or free-ranging wild animal in order to sample collection limits endocrine study once it can be hazard for the estrous cycle. One possibility is to quantify gonadal hormones at the excreta. Progesterone milk levels were studied in a tapir housed at the Araçatuba Zoo, in São Paulo, Brazil. Milk samples, vaginal cytology and rectal temperature were collected during lactation. The... Tipo: Info:eu-repo/semantics/article Palavras-chave: Tapirus terrestris; Milk; Progesterone; Animal reproduction. Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-95962001000600009 Gonadal function arrest in fillies after birth, as reflected by steroid serum concentrations Braz. J. Vet. Res. Anim. Sci. NOGUEIRA,Guilherme de Paula; BARNABE,Renato Campanarut; MOREIRA,Alankardson Ferreira; VERRESCHI,Ieda Terezinha do Nascimento. Sexual maturation involves restraint of gonadal activity from birth to puberty, while somatic development continues. Fetal gonadal steroidogenesis is very important for the maintenance of pregnancy and foaling in mares. The present study was conducted to evaluate gonadal steroid serum levels in foals after birth. Five fillies born at Equília Stud Farm, Avaré, SP, Brazil, were studied. Blood samples were collected daily in the morning during the first week of life. Progesterone serum levels were measured by a commercial radioimmunoassay (RIA) kit and estradiol serum levels with a sensitized non-commercial RIA. At birth, both progesterone and estradiol serum levels were high (13.46 ± 5.5 nmol/l and 7.95 ± 1.5 nmol/l) and decreased to undetectable levels at... Tipo: Info:eu-repo/semantics/article Palavras-chave: Fillies; Steroids; Birth. Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-95962000000400008 Registros recuperados: 2 Primeira ... 1 ... Última

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