Several growth equations exist according to different approaches of authors that have studied this matter, but practically all coincide, on analyzing the growth up to mature age, that the curve acquires a sigmoid form; ...

The evolution of the genetic improvement methodology in the beef cattle has been based, as in other species, in our capacity to detect the best genotypes for using as reproducers. In this paper are described three phases ...

In the last decades, we have witnessed a growing calculation power of computers and a dramatic cheapening of these. This has permitted development of mathematical models for problem resolution in increasingly complex animal ...

A study was made of the growth of Retinto beef cattle through analysis of factors affecting the characteristic linear growth curve of this breed in its developmental environment. By addressing these factors, growth and ...