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Mostrando ítems 10441-10450 de 30357
Evaluation of tibial dyschondroplasia development in broiler chickens fed diets containing 25 hydroxicolecalciferol
(2012-12-01)
This research was carried out to evaluate the development of tibial dyschondroplasia (TD) in broilers from 1 to 21 days. Four hundred forty day-old male chickens, from broiler breeders aged 60-62 weeks, were randomly ...
Cold Code: The global initiative to DNA barcode amphibians and nonavian reptiles
(2013-03-01)
DNA barcoding facilitates the identification of species and the estimation of biodiversity by using nucleotide sequences, usually from the mitochondrial genome. Most studies accomplish this task by using the gene encoding ...
The discovery of Foxl2 paralogs in chondrichthyan, coelacanth and tetrapod genomes reveals an ancient duplication in vertebrates
(2013-07-01)
The Foxl2 (forkhead box L2) gene is an important member of the forkhead domain family, primarily responsible for the development of ovaries during female sex differentiation. The evolutionary studies conducted previously ...
Specialized Seed Dispersal in Epiphytic Cacti and Convergence with Mistletoes
(2013-07-01)
Mistletoes represent the best example of specialization in seed dispersal, with a reduced assemblage of dispersal agents. Specific dispersal requirements mediated by the specificity of seed deposition site have apparently ...
Experimental infection of commercial layers using a Salmonella enterica sorovar Gallinarum strain: Blood serum components and histopathological changes
(2010-11-01)
The purpose of the study was to evaluate the blood serum components and histopathological findings of commercial layers experimentally infected with Salmonella Gallinarum (SG), the microorganism responsible for the fowl ...
Helmintofauna Columba livia (Aves, Columbidae) procedentes do Estado de São Paulo
(Universidade Estadual Paulista (Unesp), 2005)
O objetivo deste trabalho foi avaliar a helmintofauna parasita de Columba livia procedentes do Estado de São Paulo. O estudo foi realizado em exemplares de C. livia coletados no Parque Zoológico Municipal de Bauru, Parque ...
Otimização da pigmentação da gema do ovo: Lígia Mara Sandeski. -
(Universidade Estadual Paulista (Unesp), 2013-11-01)
The color of the egg yolk depends on the absorption and the deposition of carotenoids present in the hens´ diets and represents a sensory characteristic of great impact on the product acceptance. Corn is commonly used as ...
Atividade queratinolítica de uma cepa de Streptomyces sp isolada de um abatedouro de aves
(Universidade Estadual Paulista (Unesp), 2006-08-25)
Neste trabalho estudou-se a queratinase produzida por uma cepa de Streptomyces sp LMI-1 isolada de uma fábrica de processamento de aves domésticas. A enzima degradou 87% das penas após 120h de cultivo. Ela foi estimulada ...
Efeito do nível de energia metabolizável da dieta no desempenho e metabolismo energético de frangos de corte
(2004-11-01)
The objective of this work was to study the effect of dietary ME levels on the performance and the energy metabolism of male broilers on growing phase, from 22 to 43 days old. Two hundred and eighty-eight broilers were ...
Reproductive ecology of the freshwater red alga Batrachospermum delicatulum (Batrachospermales, Rhodophyta) in three tropical streams
(2005-09-01)
Batrachospermum delicatulum specimens from three stream segments were analyzed from a tropical region in south-eastern Brazil (20°18′- 20°49′S, 49°13′-49°46′W). Physical and chemical parameters and the spatial placement ...