Lightbody, K. L. Matthews, J. B. Kemp-Symonds, J. G. Lambert, P. A. and Austin, C. J. 2018. Use of a saliva-based diagnostic test to identify tapeworm infection in horses in the UK. Equine Veterinary Journal, Vol. 50, Issue. 2, p. 213.
Lester, Hannah E. Morgan, Eric R. Hodgkinson, Jane E. and Matthews, Jacqueline B. 2018. Analysis of Strongyle Egg Shedding Consistency in Horses and Factors That Affect It. Journal of Equine Veterinary Science, Vol. 60, p. 113.
Aromaa, Maria Hautala, Katja Oksanen, Antti Sukura, Antti and Näreaho, Anu 2018. Parasite infections and their risk factors in foals and young horses in Finland. Veterinary Parasitology: Regional Studies and Reports, Vol. 12, p. 35.
THAMSBORG, STIG M. KETZIS, JENNIFER HORII, YOICHIRO and MATTHEWS, JACQUELINE B. 2017. Strongyloides spp. infections of veterinary importance. Parasitology, Vol. 144, Issue. 03, p. 274.
Tzelos, Thomas Barbeito, Jessica S.G. Nielsen, Martin K. Morgan, Eric R. Hodgkinson, Jane E. and Matthews, Jacqueline B. 2017. Strongyle egg reappearance period after moxidectin treatment and its relationship with management factors in UK equine populations. Veterinary Parasitology, Vol. 237, p. 70.
Salas-Romero, J. Gómez-Cabrera, K.A. Aguilera-Valle, L.A. Bertot, J.A. Salas, J.E. Arenal, A. and Nielsen, M.K. 2017. Helminth egg excretion in horses kept under tropical conditions—Prevalence, distribution and risk factors. Veterinary Parasitology, Vol. 243, p. 256.
Gratwick, Z. Donnellan, C. Page, P. C. Viljoen, A. Williams, J. and Lyle, C. H. 2017. Caecal intussusceptions and typhlocolitis in horses with severeGastrodiscus aegyptiacusinfestation. Equine Veterinary Education,
Easton, Stephanie Pinchbeck, Gina L. Tzelos, Thomas Bartley, David J. Hotchkiss, Emily Hodgkinson, Jane E. and Matthews, Jacqueline B. 2016. Investigating interactions between UK horse owners and prescribers of anthelmintics. Preventive Veterinary Medicine, Vol. 135, p. 17.
Nielsen, M. K. 2016. Evidence-based considerations for control ofParascarisspp. infections in horses. Equine Veterinary Education, Vol. 28, Issue. 4, p. 224.
Tzelos, Thomas and Matthews, Jacqueline 2016. Anthelmintic resistance in equine helminths and mitigating its effects. In Practice, Vol. 38, Issue. 10, p. 489.
Leathwick, Dave M. Sauermann, Christian W. Donecker, John M. and Nielsen, Martin K. 2016. A model for the development and growth of the parasitic stages of Parascaris spp. in the horse. Veterinary Parasitology, Vol. 228, p. 108.
Hernández, José Ángel Arroyo, Fabián Leonardo Suárez, José Cazapal-Monteiro, Cristiana Filipa Romasanta, Ángel López-Arellano, María Eugenia Pedreira, José de Carvalho, Luis Manuel Madeira Sánchez-Andrade, Rita Arias, María Sol de Gives, Pedro Mendoza and Paz-Silva, Adolfo 2016. Feeding horses with industrially manufactured pellets with fungal spores to promote nematode integrated control. Veterinary Parasitology, Vol. 229, p. 37.
Kuzmina, Tetiana A. Dzeverin, Igor and Kharchenko, Vitaliy A. 2016. Strongylids in domestic horses: Influence of horse age, breed and deworming programs on the strongyle parasite community. Veterinary Parasitology, Vol. 227, p. 56.
DEBEFFE, LUCIE MCLOUGHLIN, PHILIP D. MEDILL, SARAH A. STEWART, KATHRINE ANDRES, DANIEL SHURY, TODD WAGNER, BRENT JENKINS, EMILY GILLEARD, JOHN S. and POISSANT, JOCELYN 2016. Negative covariance between parasite load and body condition in a population of feral horses. Parasitology, Vol. 143, Issue. 08, p. 983.
Fabiani, J.V. Lyons, E.T. and Nielsen, M.K. 2016. Dynamics of Parascaris and Strongylus spp. parasites in untreated juvenile horses. Veterinary Parasitology, Vol. 230, p. 62.
Rendle, David 2015. Controlling endoparasites on equine stud farms. Equine Health, Vol. 2015, Issue. 22, p. 29.
Matthews, Jacqui and Lester, Hannah 2015. Control of equine nematodes: making the most of faecal egg counts. In Practice, Vol. 37, Issue. 10, p. 540.
Kornaś, Sławomir Sallé, Guillaume Skalska, Marta David, Ingrid Ricard, Anne and Cabaret, Jacques 2015. Estimation of genetic parameters for resistance to gastro-intestinal nematodes in pure blood Arabian horses. International Journal for Parasitology, Vol. 45, Issue. 4, p. 237.
Adams, Amanda A. Betancourt, Alex Barker, Virginia D. Siard, Melissa H. Elzinga, Sarah Bellaw, Jennifer L. Amodie, Deborah M. and Nielsen, Martin K. 2015. Comparison of the Immunologic Response to Anthelmintic Treatment in Old Versus Middle-Aged Horses. Journal of Equine Veterinary Science, Vol. 35, Issue. 11-12, p. 873.
Papini, Roberto Amerigo De Bernart, Francesca Micol and Sgorbini, Michaela 2015. A Questionnaire Survey on Intestinal Worm Control Practices in Horses in Italy. Journal of Equine Veterinary Science, Vol. 35, Issue. 1, p. 70.
Few studies have described the combined effect of age, gender, management and control programmes on helminth prevalence and egg shedding in grazing equines. Here, fecal samples collected from 1221 Thoroughbred horses, residing at 22 studs in the UK, were analysed. The distribution of strongyle eggs amongst individuals in relation to age, gender and management practices was investigated. Fecal worm egg counts (FWECs), described as the number of eggs per gramme (epg) of feces, were determined using a modification of the salt flotation method. The FWEC prevalence (mean%) of strongyles, Parascaris equorum, tapeworm spp. and Strongyloides westeri was 56, 9, 4 and 8%, respectively. Strongyle, P. equorum, tapeworm spp. and S. westeri infections were detected on 22 (100%), 11 (50%), 9 (41%) and 8 (36%) of studs, respectively. Within all age and gender categories, strongyle FWECs were highly over-dispersed (arithmetic mean = 95 epg, aggregation parameter k=0·111) amongst horses. Animal age, last anthelmintic type administered and management practices (for example, group rotation on grazing) most strongly influenced strongyle prevalence and level of egg shedding (P < 0·05). Overall, 11% of equines (range: 234–2565 epg) were responsible for excreting 80% of the strongyle eggs detected on FWEC analysis. The results confirm that the judicious application of targeted treatments has potential to control equine strongyle populations by protecting individual horses from high burdens, whilst promoting refugia for anthelmintic susceptible genotypes.
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