Now showing items 1-10 of 168
Spatial-temporal variation of parasites in Cnemidophorus ocellifer (Teiidae) and Tropidurus hispidus and Tropidurus semitaeniatus (Tropiduridae) from Caatinga areas in northeastern Brazil
(Parasitology Research, 2014-03-01) [Artigo]
Parasites are natural regulators of their host populations. Despite this, little is known about variations in parasite composition (spatially or temporally) in environments subjected to water-related periodic stress such ...
Helminth Fauna of Two Species of Physalaemus (Anura: Leiuperidae) from an Undisturbed Fragment of the Atlantic Rainforest, Southeastern Brazil
(Journal of Parasitology, 2013-10-01) [Artigo]
Two amphibian species, Physalaemus cuvieri and Physalaemus olfersii, from Serra do Mar State Park, which is an old-growth environment of the Atlantic Rainforest in southeastern Brazil, were surveyed for endoparasites. Hosts ...
Sunflower meal for broilers of 22 to 42 days of age
(Revista Brasileira de Zootecnia, 2011-10-01) [Artigo]
The objective of the present experiment was to evaluate the inclusion of sunflower meal in diets formulated on total or digestible amino acid basis fed to broilers of 22 to 42 days of age. Nine hundred and sixty birds were ...
Ultrastructural analysis of spermiogenesis in the neotropical cichlid Cichla kelberi Kullander & Ferreira, 2006 (Perciformes: Cichlidae)
(Journal of Applied Ichthyology, 2012-12-01) [Artigo]
In the Neotropical cichlid Cichla kelberi the spermiogenesis appears to be of the cystic type and is characterized by gradual chromatin condensation in juxtaposed clusters, nuclear rotation (with the flagellum perpendicularly ...
Screening and Production Study of Microbial Xylanase Producers from Brazilian Cerrado
(Applied Biochemistry and Biotechnology, 2010-05-01) [Artigo]
Hemicelluloses are polysaccharides of low molecular weight containing 100 to 200 glycosidic residues. In plants, the xylans or the hemicelluloses are situated between the lignin and the collection of cellulose fibers ...
Efficiency of partial treatment of cattle infested with horn fly using 40% diazinon
(Revista Brasileira de Parasitologia Veterinária, 2013-12-01) [Artigo]
The aim of this investigation was to evaluate the efficiency of partial treatment of animals infested with horn flies. Forty-five Guzerat cows between 4 and 7 years of age were divided into three groups (15 cows per group). ...
Nodule growth and nitrogen fixation of Calopogonium mucunoides L. show low sensitivity to nitrate
(Symbiosis, 2010-09-01) [Artigo]
It is well established that nitrate is a potent inhibitor of nodulation and nitrogen fixation in legumes. The objective of this study was to demonstrate the relative insensitivity of these processes to nitrate with ...
A new trap for capturing Scolytidae (Coleoptera), based on primary attraction
(Journal of Applied Entomology, 1997-10-01) [Artigo]
Genetic diversity of Rhizoctonia solani AG-3 from potato and tobacco in North Carolina
(Mycologia, 2002-05-01) [Artigo]
Anastomosis group 3 (AG-3) of Rhizoctonia solani (teleomorph = Thanatephorus cucumeris) is frequently associated with diseases of potato (AG-3 PT) and tobacco (AG-3 TB). Although isolates of R. solani AG-3 from these two ...
Performance, carcass traits, and body composition of broilers fed different linseed oil levels between 21 and 56 days of age
(Revista Brasileira de Ciência Avícola, 2014-03-01) [Artigo]
This study was carried out to evaluate the effect of the inclusion of different linseed oil levels (0.0, 3.3, 6.6, or 9.9%) in iso-energy diets fed during the period of 21 to 56 days of age on the performance, carcass ...