Now showing items 1-10 of 71
Analysis of the intestinal bacterial microbiota in maize- or sorghum-fed broiler chickens using real-time PCR
(British Poultry Science, 2014-11-02) [Artigo]
1. An experiment was conducted to study the effect of two different diets on zootechnical performance and the major bacterial groups in association with the host mucosa and dispersed in the lumen contents of the small ...
Isolation of Leptospira spp. from a man living in a rural area of the Municipality of Cruz Alta, RS, Brazil
(Ciência Rural, 2015-01-01) [Artigo]
The aim of this study was to describe the isolation of a pathogenic strain of Leptospira interrogans from the urine sample of a male human living in the rural area of the County of Cruz Alta, Rio Grande do Sul. An aliquot ...
Variabilidade sazonal no ducto epididimário de codorna doméstica: observações morfológicas
(Pesquisa Veterinária Brasileira, 2007-12-01) [Artigo]
O ducto epididimário (DE) de codorna doméstica mostrou, ao longo do ano, variabilidade pequena, porém muito expressiva no outono, o qual corresponde à fase quiescente do ciclo testicular anual. A morfologia do DE na primavera ...
Size-Dependent Selective Mechanisms on Males and Females and the Evolution of Sexual Size Dimorphism in Frogs
(American Naturalist, 2014-12-01) [Artigo]
Sexual size dimorphism (SSD) varies in animals from male biased to female biased. The evolution of SSD is potentially influenced by a number of factors, such as territoriality, fecundity, and temporal breeding patterns ...
Effect of heat exposure on the thermoregulatory responses of selected naked neck chickens
(Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2002-02-01) [Artigo]
Estudaram-se o efeito do estresse térmico sobre a temperatura cloacal, a perda de peso corporal e a expressão da proteína de estresse de 70 kDa (Hsp70) em três genótipos de galinhas de pescoço-pelado. Foram usadas 12 aves ...
Polymorphism analysis of the hsp70 stress gene in Broiler chickens (Gallus gallus) of different breeds
(Genetics and Molecular Biology, 2003-01-01) [Artigo]
The promoter region and the beginning of the coding region of the hsp70 stress gene were analysed in broiler chickens of a commercial breed (Hubbard-Pettersen), a breed selected for weight gain (PP1) and a non-selected ...
Abundance of MyoD and myostatin transcripts in chicken embryos submitted to distinct incubation temperatures and timing exposures
(Brazilian Journal of Biology, 2011-05-01) [Artigo]
Brycon gouldingi (Teleostei, Characidae): aspects of the embryonic development in a new fish species with aquaculture potential
(Zygote, 2011-11-01) [Artigo]
Brycon gouldingi is an endemic species from Tocantins-Araguaia basin, used as a food source by riverine communities and relevant to aquaculture. Information about the initial morphology of B. gouldingi, a recently described ...
CONTROL of THE CENTRAL CHEMOREFLEX BY A5 NORADRENERGIC NEURONS IN RATS
(Neuroscience, 2011-12-29) [Artigo]
Central chemoreflex stimulation produces an increase in phrenic nerve activity (PNA) and sympathetic nerve activity (SNA). The A5 noradrenergic region projects to several brainstem areas involved in autonomic regulation ...
Microsatellite markers for Bokermannohyla species (Anura, Hylidae) from the Brazilian Cerrado and Atlantic Forest domains
(Amphibia-reptilia, 2014-01-01) [Artigo]
We characterized 22 polymorphic microsatellite markers for the Brazilian treefrog Bokermannohyla ibitiguara and tested their cross-amplification in B. alvarengai, B. circumdata and B. hylax. Our focal species occurs in ...