The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.
The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.
The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.
01/Dec/2003
Rodrigo Duarte Martins, Concepta McManus, Alexandre Sardinha Carvalhêdo, Hudson Viana Borges, Antônio Emídio Dias Feliciano Silva, Natália Ribeiro dos Santos
DOI: 10.1590/S1516-35982003000700008
Five Santa Inês rams, between one and five years old, were selected evaluate the reproductive seasonality of the Santa Inês rams in the climatic conditions of Distrito Federal. Approximately every fortnight, for one year, these rams were weighed and underwent an andrological exam. The following testicular characteristics were evaluated: scrotal circumference (PE), testicular length (COMP), width (LARG) and volume (VOL). Semen collection was carried out with an eletroejaculator, and the following seminal characteristics were evaluated: mass motility (TURB), progressive motility […]
Keywords: rams; seasonality; sex selection; size; testicular