Métodos alternativos de control de las infecciones por nematodos gastrointestinales en ganado ovino

  1. Castilla Gómez de Agüero, Verónica
Supervised by:
  1. María Martínez Valladares Director

Defence university: Universidad de León

Fecha de defensa: 13 November 2023

Committee:
  1. Rafael Zafra Leva Chair
  2. Félix Valcárcel Sancho Secretary
  3. Marco Antonio Cabrera González Committee member
Department:
  1. SANIDAD ANIMAL

Type: Thesis

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Abstract

Gastrointestinal nematodes (GIN) infections are a serious problem in the small ruminant sector worldwide. These infections cause significant economic losses, mainly because they affect the productive and reproductive parameters, which has led to a reductio n in milk and wool production, and growth and fertility. For this reason, effective control would increase the benefits produced by each animal. In small ruminants, the main species are Teladorsagia circumcincta, Haemonchus contortus, and Trichostrongylus spp. In natural conditions, the infections are varied and are provoked by different nematode species. In temperate regions, the most prevalent species are T. circumcincta and Trichostrongylus spp. while in tropical climates H. contortus is the most predominant.