1. What makes a good mother?: components and comparative aspects of maternal behaviour in ungulates;Alexander;Proc. Aust. Soc. Anim. Prod.,1988
2. Effect of age and parity on maternal behaviour in single-bearing Merino ewes;Alexander;Aust. J. Exp. Agric.,1993
3. Committee on fetus and newborn, american college of obstetricians and gynecologists, and committee on obstetric practice;American Academy of Pediatrics;The Apgar score. Adv. Neonatal Care,2006
4. Behaviour of ewes at parturition toward amniotic fluids from sheep, cows and goats;Arnould;Appl. Anim. Behav. Sci.,1991
5. ¿Es posible reducir la mortalidad neonatal de corderos?;Banchero;Proceedings of “Jornada De Producción Animal”, La Estanzuela, Colonia, INIA. 342: 8,2003