1.
Viana CHC, Silveira PRS da, Moretti AS, Rodrigues PHM. Relationships between the characteristics weaning-to-estrus interval, estrus duration and moment of ovulation by ultrasonography in sows. Braz. J. Vet. Res. Anim. Sci. [Internet]. 1999Jan.1 [cited 2022Sep.25];36(4):212-8. Available from: https://www.revistas.usp.br/bjvras/article/view/5749