1. 1 Anon ., 1994 : Hoechst Summary Registration Dossier . Hoechst Veterinar GmbH, Wiesbaden, Germany.
2. Effect of feed intake during lactation and after weaning on sow reproductive performance
3. Efficiency of food utilization by pregnant and lactating sows
4. 4 H. U. Bertschinger, and J. Pohlenz , 1992 : Coliform mastitis . In: Leman, A. D., B. E. Straw, W. L. Mengeling, S. D'Allaire, and D. J. Taylor (eds), Diseases of Swine, 7th edn, pp. 511-517. Iowa University Press, Ames, IA, USA.