1. Anonymous, 1992. Distribution and impact of helminth diseases of livestock in developing countries. FAO Animal Production and Health Paper No. 96. Food and Agriculture Organization of the United Nations, Rome, 221 pp.
2. Mapping genes for resistance to gastro-intestinal nematodes;Behnke;Acta Parasitol.,2000
3. Brooker, J.D. (Ed.), 1999. Tannins in Livestock and Human Nutrition. Proceedings of an International Workshop, Adelaide, Australia. May 31–June 2, 1999. ACIAR Proceedings No. 92. 171 pp.
4. The changing landscape of antiparasitic drug discovery for veterinary medicine;Geary;Trends Parasitol.,2004
5. Ethnoveterinary plant preparations as livestock dewormers: practices, popular beliefs, pitfalls and prospects for the future;Githiori;Ann. Health Res. Rev.,2005