Gastrointestinal nematode infections of first-season grazing calves in Belgium: general patterns and the effect of chemoprophylaxis
D.J. Shaw, J. Vercruysse, E. Claerebout, et al.
Veterinary Parasitology, Vol. 69, No. 1-2, pp. 103-116, 1997
D.J. Shaw, J. Vercruysse, E. Claerebout, et al.
Veterinary Parasitology, Vol. 69, No. 1-2, pp. 103-116, 1997