By John J. McGlone, Edgar O. Jones, Elaina M. Matthews, Amanda A. Gonzalez and Erica Reyes. In this chapter, we review the sexual behavior of domestic pigs, and the visible or measurable anatomical features of the pig that will contribute to detecting sows in estrus.
Sex Differences in Group Composition and Habitat Use of Iberian Free-Range Pigs
The aim of the present work was to study group size, group composition and habitat use of Iberian pigs along the year when reared outdoor. This consists of a regimen in which animals are reared free range from 2 months of age until at least 14 months of age. In a first stage, animals are supplemented with concentrates, and in a second, called montanera, pigs eat just natural resources in areas with no more than two pigs per hectare.
By PopSci Staff September 30, To most people, hormones are just those chemicals that make puberty a nightmare. If you menstruate, you might also curse them for a few days a month. Plants, too, have hormones.