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Copyright of Arquivo Brasileiro de Medicina Veterinaria e Zootecnia is the property of Universidade Federal de Minas Gerais, Escola de Veterinaria and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Arquivo Brasileiro de Medicina Veterinaria e Zootecnia is the property of Universidade Federal de Minas Gerais, Escola de Veterinaria and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The article discusses a study that examines probability of pregnancy in beef heifers in Ja¡ba, Minas Gerais State in Brazil. Study highlights include initial weight as the most significant variable in the probability of pregnancy in heifers, the impact of initial age on the probability of pregnancy in Nellore heifers, and descriptive statistics of the regressor variables of the probability of pregnancy in beef heifers during the breeding season in the Cerrado area.

The article presents a study which examined the use of albumin and cholesterol dosages and serum aspartate aminotransferase (AST) and gamma-glutamyltransferase (GGT) activities in detecting hepatic histopathological injuries. The researchers performed the study on 220 healthy Nelore male cattle from several farms in Brazil's Goias state. Detection of minor liver injuries was found to be limited but high specificity of the GGT allows it to be used as an indicator of hepatic chronic injuries.

Copyright of Revista Ciência Agronômica is the property of Revista Ciencia Agronomica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)