The pathophysiology, ecology and epidemiology of Haemonchus contortus infection in small ruminants

RB Besier, LP Kahn, ND Sargison, JA Van Wyk - Advances in parasitology, 2016 - Elsevier
The parasitic nematode Haemonchus contortus occurs commonly in small ruminants, and it
is an especially significant threat to the health and production of sheep and goats in tropical …

[PDF][PDF] Biology, epidemiology, and control of gastrointestinal nematodes of small ruminants

AM Zajac, J Garza - Veterinary Clinics of North America: Food Animal …, 2020 - Elsevier
Strongylid gastrointestinal nematodes are an important cause of disease and economic loss
in small ruminants. These parasites are important in most of the US with the bloodsucking …

GLOWORM-FL: a simulation model of the effects of climate and climate change on the free-living stages of gastro-intestinal nematode parasites of ruminants

H Rose, T Wang, J van Dijk, ER Morgan - Ecological Modelling, 2015 - Elsevier
Gastrointestinal nematodes are important parasites of livestock and wildlife worldwide,
causing mortality and morbidity, regulating host populations and threatening food security …

Rainfall as a driver of seasonality in parasitism

CL Shearer, VO Ezenwa - … Journal for Parasitology: Parasites and Wildlife, 2020 - Elsevier
Parasite burdens are known to vary seasonally in wildlife, and rainfall is one key aspect of
seasonality that has been linked to parasitism in a range of systems. Rainfall can have …

[HTML][HTML] Environmental factors influencing the transmission of Haemonchus contortus

MC Santos, BF Silva, AFT Amarante - Veterinary Parasitology, 2012 - Elsevier
Infection with the gastrointestinal nematode Haemonchus contortus causes considerable
losses in the sheep industry. In this study, we evaluated the effect that climate has on third …

The influence of water on the migration of infective trichostrongyloid larvae onto grass

ER MORGAN - Parasitology, 2011 - cambridge.org
Detailed knowledge of the effects of water on the migration of infective larvae of
economically important trichostrongyloid species is urgently needed to feed into prediction …

Management strategies for lamb production on pasture-based systems in subtropical regions: A review

CHEC Poli, ALG Monteiro, T Devincenzi… - Frontiers in Veterinary …, 2020 - frontiersin.org
Sheep production on pasture plays an important role in subtropical climates around the
world, with great economic and environmental relevance to those regions. However, this …

Herbage intake and performance of grazing lambs in tropical erect grass pastures maintained at different heights

LR Irigoyen, CHEC Poli, GF Corrêa… - African Journal of …, 2024 - journals.co.za
One of the main constraints for sheep production in tropical and subtropical areas is the lack
of knowledge of how to manage erect tropical grasses for lambs. The objective of this study …

Elevated temperatures and long drought periods have a negative impact on survival and fitness of strongylid third stage larvae

F Knapp-Lawitzke… - International journal for …, 2016 - Elsevier
In grazing cattle, infections with gastrointestinal nematodes pose some of the most important
health threats and subclinical infections result in considerable production losses. While …

The worm burden of tracer kids and lambs browsing heterogeneous vegetation is influenced by strata harvested and not total dry matter intake or plant life form

PR Jaimez-Rodríguez, PG González-Pech… - Tropical animal health …, 2019 - Springer
This study assessed the effect of total dry matter intake (DMI), plant life form and strata
harvested on the gastrointestinal nematode (GIN) worm burdens of tracer kids and lambs …