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- [5] The relationship between protein nutrition, reproductive effort and breakdown in immunity to Teladorsagia circumcincta in periparturient ewes ANIMAL SCIENCE, 2001, 72 : 595 - 606
- [10] Effect of nutrition in early pregnancy on the periparturient relaxation of immunity to gastro-intestinal parasitism in prolific ewes ANIMAL SCIENCE, 2003, 76 : 481 - 489