Models for random regression for meat quality traits in meat type quails

Todos os textos, informa??es e resultados apresentados s?o de inteira responsabilidade dos autores.Objetivou-se com este estudo avaliar modelos para caracter?sticas de qualidade de carne em codornas de corte, alimentadas com diferentes rela??es de treonina:lisina de 1 a 21 dias de idade utilizando regress?o aleat?ria adotando-se homogeneidade e heterogeneidade de vari?ncia residual. Por meio de compara??o dos valores de BIC, o modelo de homogeneidade de vari?ncia foi o que apresentou melhor ajuste para as caracter?sticas estudadas.The objective of this study was to evaluate models for meat quality traits in meat type quails, fed with different relations threonine:lysine from 1 to 21 days of age using random regression analysis, with homogeneity and heterogeneity of residual variance. The model of homogeneity of variance fitter better for the traits studied regarding the comparison of BIC values

Molecular identification of the HLA-DRB1-DQB1 for diagnosis and follow-up of acute leukemias

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)We analyzed a group of 45 Brazilian individuals, 30 with acute myeloid leukemia (AML), 15 with acute lymphoid leukemia (ALL) and 100 healthy controls to assess genetic factor risk and HLA association contribution to the disease. Patient rates were compared with age and sex-matched control groups by directly typing the HLA-DRB1/3/4/5 and -DQB1 loci by PCR analysis. We observed significantly increased allelic distribution of HIA-DRB1*07 in AML patients and of HLA-DRB1*03 in ALL patients, which suggests that individuals in both groups are susceptible to the disease. We also found significantly decreased allelic distribution of HIA-DQB1*04 in AML patients and of HLA-DRB1*04 and -DQB1*03 in ALL patients, which suggests protection against the disease. We further found increased HLA-DRB1*07 and -DQB1*02 haplotypes in AML patients, which suggests susceptibility to the disease and decreased HLA-DRB1*04 and -DQB1*03 haplotypes in ALL patients, which also suggests protection against the disease. Future studies with larger and/or multicentric samples will be required for better comprehension of the HLA role in acute leukemia pathogenesis. (C) 2009 Elsevier Inc. All rights reserved.4426973Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)(Fundo de Apoio ao Ensino e a Pesquisa-FAEP)Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES

Morphometry of testis and seminiferous tubules of the adult crab-eating fox (Cerdocyon thous, Linnaeus, 1766)

Body and testicular biometric parameters are very important for establishing reproductive patterns and, consequently, the development of protocols for assisted reproduction in different species. A direct correlation between the testis weight and the sperm population was observed in other studied species, because the testis size primarily reflects the total volume of the seminiferous tubule, its main component. The objective of this study was to determine the testicular volume parameters and correlate data from morphometry of testis and seminiferous tubules with body mass in six adult crab-eating foxes. The mean body weight of the crab-eating foxes in this study was 6.53 kg, with approximately 0.068% allocated to the testicular mass and 0.042% specifically to seminiferous tubules, which represented 87.5% of the testicular parenchyma. The albuginea comprised 12.5% of the testicular mass. The mean diameter of seminiferous tubules was 236 µm, and the mean thickness of the seminiferous epithelium was 62.9 µm. Values of tubular parameters indicate a sperm productivity close to those observed in previously studied carnivores