1. American Association of Equine Practitioners: AAEP parasite control guidelines. American Association of Equine Practitioners, Lexington (2013)
2. Andersen, U.V., Howe, D.K., Olsen, S.N., Nielsen, M.K.: Recent advances in diagnosing pathogenic equine gastrointestinal helminths: The challenge of prepatent detection. Vet. Parasitol. 192, 1–9 (2013)
3. Afonso, A.: Intestinal parasites and their control in a population of horses stabled at Escola das Armas in Mafra, Portugal. Dissertation of the Integrated Master in Veterinary Medicine, Faculty of Veterinary Medicine, University of Lisbon (2016). 93 p
4. Araújo, A.M.D.: Principales parasitosis gástricas em équidos de Portugal. Tesis Doctoral, Facultad de Veterinaria de Lugo, Universidad de Santiago de Compostela (2014). 182 p
5. Becher, A.M., Mahling, M., Nielsen, M.K., Pfister, K.: Selective anthelmintic therapy of horses in the Federal states of Bavaria (Germany) and Salzburg (Austria): an investigation into strongyle egg shedding consistency. Vet. Parasitol. 171(1–2), 116–122 (2010)