127 documents found, page 1 of 13
Radiative properties of the skin and haircoat of cattle and other animals
Da Silva, Roberto Gomes [UNESP]; La Scala Jr., Newton [UNESP]; Tonhati, Humberto [UNESP]Made available in DSpace on 2022-04-28T19:56:05Z (GMT). No. of bitstreams: 0 Previous issue date: 2003-05-01; Radiative properties (reflectance ρ, transmittance τ, and absorptance α) were determined for wavelengths from 300 to 850 nm in the haircoat and the skin of water buffalo, deer (Pantanal deer, Blastocerus dichotomus), and cattle of the Holstein, Simmental, Canchim, Brangus, and Nelore breeds. The results...
Endogamia em um Rebanho da Raça Guzerá
De Oliveira, João Ademir [UNESP]; Bastos, João Francisco P. [UNESP]; Tonhati, Humberto [UNESP]Made available in DSpace on 2022-04-28T19:56:37Z (GMT). No. of bitstreams: 0 Previous issue date: 1999-07-01; The objective of this study was to evaluate the effect of the inbreeding on the birth weight (BW) and the weights at the 8 (W8), 12 (W12), 18 (W18) and 24 (W24) month of age, from a Guzera breed herd. The data collected from 1978 to 1992 were obtained from the animal record control of the Fazenda de Ens...
Efeito da Seleção para Peso Pós-desmama sobre Indicadores da Eficiência Produti...
De Vasconcelos Silva, Josineudson Augusto I.I. [UNESP]; Razook, Alexander George; Tonhati, Humberto [UNESP]; De Figueiredo, Leopoldo AndradeMade available in DSpace on 2022-04-28T19:56:39Z (GMT). No. of bitstreams: 0 Previous issue date: 2000-07-01; Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); The objective of this study was to evaluate the productivity efficiency indicators of cows selected for post-weaning weight, with emphasis in the calf-cow weight ratios, in a controlled herd (NeC), unselected for post-weaning weight, ...
Estimativa de parâmetros genéticos, fenotípicos e ambientes para as produções d...
Ledic, Ivan Luz; Tonhati, Humberto [UNESP]; Verneque, Rui Da Silva; El Faro, Lenira; Martinez, Mário Luiz; Costa, Cláudio NápolisMade available in DSpace on 2022-04-29T08:47:12Z (GMT). No. of bitstreams: 0 Previous issue date: 2002-09-01; Data from 32,779 monthly milk production, from 3,605 lactations until 305 days (PL305), from 2,082 Gir cows, sired by 281 bulls, calving from 1987 to 1999, in 11 herds, were used to verify the viability of using daily milk production control (PLDC) to perform genetic evaluations within Gir breed. Bivari...
Avaliação genética de touros da raça Gir para produção de leite no dia do contr...
Ledic, Ivan Luz; Da Silva Verneque, Rui; El Faro, Lenira; Tonhati, Humberto [UNESP]; Martinez, Mário Luiz; Dal Secco De Oliveira, Mauro [UNESP]Made available in DSpace on 2022-04-29T08:47:12Z (GMT). No. of bitstreams: 0 Previous issue date: 2002-09-01; Data from 32,779 monthly milk production, from 3,605 lactations until 305 days (PL305), from 2,082 Gir breed cows, sired by 281 bulls, calving from 1987 to 1999, in 11 herds, were utilized to verify the viability of using daily milk production control (PLDC) in sires genetic evaluation. Univariates anal...
Polymorphisms in osteopontin gene in Amazon buffaloes
Rolim Filho, Sebastião Tavares; Ribeiro, Haroldo Francisco Lobato; Camargo, Gregório Miguel Ferreira de [UNESP]; Cardoso, Diercles Francisco [UNESP]Made available in DSpace on 2022-04-29T09:35:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-12-01; The aim of this work was to identify polymorphisms in the osteopontin gene. It was used in this experiment 306 male buffaloes, older than 18 months, bred in two farms, one in the State of Amapá and the other farm in the State of Pará. There was identified three SNP polymorphisms for the region amplified...
Application of reactions norms in study of genotype environmental interaction f...
Tonhati, Humberto [UNESP]; Aspilcueta-Borquis, Rusbel Raul [UNESP]; de Freitas, Ana Claudia [UNESP]; de Camargo, Gregório Miguel Ferreira [UNESP]Made available in DSpace on 2022-04-29T09:35:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-12-01; The aim of this study was to estimate genetic parameters for milk yield (MY) in buffaloes using reaction norms. Model included the additive direct effect as random and contemporary group (herd and year of birth) were included as fixed effects and cow age classes (linear) as covariables. The animal addit...
Genetic parameter estimates for milk yield and lactation length in Buffalo
García, Yenny; Fraga, Luis M.; Tonhati, Humberto [UNESP]; Abreu, Daniel [UNESP]; Aspilcueta, Raúl [UNESP]; Hernández, Arelis; Padrón, EulogioMade available in DSpace on 2022-04-29T09:35:27Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-12-01; The objective of this study was to estimate genetic parameters for milk yield at 244 days and lactation length in graded buffalo cows at the El Cangre Cattle Genetic Enterprise. Data were gathered from 2575 lactations, 1377 buffalo cows, 37 milking units and between 2002-2009 calving years. It was emplo...
Multiple-trait genomic evaluation for milk yield and milk quality traits using ...
Tonhati, Humberto [UNESP]; Aspilcueta-Borquis, Rusbel Raul [UNESP]; de Freitas, Ana Claudia [UNESP]; De Camargo, Gregório Miguel Ferreira [UNESP]Made available in DSpace on 2022-04-29T09:35:27Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-12-01; The use of markers distributed all long the genome may increase the accuracy of the predicted additive genetic value of young animals that are candidates to be selected as reproducers. In commercial herds, due to the cost of genotyping, only some animals are genotyped and procedures, divided in two or t...
Genetics of tolerance to heat stress in milk yield of dairy buffaloes assessed ...
Stefani, Gabriela [UNESP]; Santana Júnior, Mário Luiz; El Faro, Lenira; Tonhati, Humberto [UNESP]Made available in DSpace on 2022-04-29T08:36:50Z (GMT). No. of bitstreams: 0 Previous issue date: 2022-03-01; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES); Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); The objectives of this study were to assess the effects of heat stress on the milk yield and investigate the presence of genotype × environment interaction (G × E) i...