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New Zealand Veterinary Journal Volume 18, 1970 - Issue 4
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Scientific Article

The spring-rise phenomenon: Seasonal changes in the worm burdens of breeding ewes and in the availability of pasture infection

R.V. Brunsdon M.Sc.Ph.D. Department of Agriculture, Wallaceville Animal Research Centre, Private Bag, Wellington
Pages 47-54 | Received 20 Oct 1969, Published online: 23 Feb 2011

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Dave M. Leathwick, Siva Ganesh & Chris M. Miller. (2020) Nematode parasites are not a major cause of illthrift in adult ewes in New Zealand. New Zealand Journal of Agricultural Research 63:2, pages 165-178.
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TS Waghorn, JS Knight & DM Leathwick. (2014) The distribution and anthelmintic resistance status of Trichostrongylus colubriformis, T. vitrinus and T. axei in lambs in New Zealand. New Zealand Veterinary Journal 62:3, pages 152-159.
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DM Leathwick, CM Miller, DS Atkinson, NA Haack, TS Waghorn & A-M Oliver. (2008) Managing anthelmintic resistance: Untreated adult ewes as a source of unselected parasites, and their role in reducing parasite populations. New Zealand Veterinary Journal 56:4, pages 184-195.
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DM Leathwick, WE Pomroy & ACG Heath. (2001) Anthelmintic resistance in New Zealand. New Zealand Veterinary Journal 49:6, pages 227-235.
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R. V. Brunsdon. (1974) An evaluation of the parasitological and production responses to a single pre-lambing anthelmintic treatment of ewes. New Zealand Journal of Experimental Agriculture 2:3, pages 223-230.
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A. Vlassoff. (1973) Seasonal incidence of infective trichostrongyle larvae on pasture grazed by lambs. New Zealand Journal of Experimental Agriculture 1:3, pages 293-301.
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J.D. Kelly. (1973) Immunity and epidemiology of helminthiasis in grazing animals. New Zealand Veterinary Journal 21:9, pages 183-194.
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R.V. Brunsdon. (1971) The post-parturient rise in the faecal nematode egg count of ewes: Some host-parasite relationships. New Zealand Veterinary Journal 19:5, pages 100-107.
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R.V. Brunsdon & A. Vlassoff. (1971) The post-parturient rise: A comparison of the pattern and relative generic composition of faecal strongyle egg counts in ewes and wethers. New Zealand Veterinary Journal 19:3, pages 32-37.
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R.V. Brunsdon & A. Vlassoff. (1971) The post-parturient rise: A comparison of the pattern and relative generic composition of strongyle egg output from lactating and non-lactating ewes. New Zealand Veterinary Journal 19:1-2, pages 19-25.
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J. Murray, W.H.D. Leaning & C.A. Martin. (1971) Pre-mating anthelmintic treatment of ewes and its effect on lambing performance. New Zealand Veterinary Journal 19:1-2, pages 1-4.
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Amy R. Sweeny, Yolanda Corripio-Miyar, Xavier Bal, Adam D. Hayward, Jill G. Pilkington, Tom N. McNeilly, Daniel H. Nussey & Fiona Kenyon. (2022) Longitudinal dynamics of co-infecting gastrointestinal parasites in a wild sheep population. Parasitology, pages 1-12.
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L. Giuliotti, F. Pisseri, P. Roberti di Sarsina, B.M. Azzarello, G. Terracciano & M.N. Benvenuti. (2016) Gastrointestinal strongyles burden monitoring in a flock of Zerasca sheep treated with homeopathy. European Journal of Integrative Medicine 8:3, pages 235-238.
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L.C. Falzon, P.I. Menzies, J. Vanleeuwen, A. Jones-Bitton, K.P. Shakya, J. Avula, J.T. Jansen & A.S. Peregrine. (2014) Efficacy of targeted anthelmintic treatment for suppression of the peri-parturient egg rise in ewes and impact on 50-day lamb weights. Small Ruminant Research 116:2-3, pages 206-218.
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L.C. Falzon, P.I. Menzies, K.P. Shakya, A. Jones-Bitton, J. Vanleeuwen, J. Avula, J.T. Jansen & A.S. Peregrine. (2013) A longitudinal study on the effect of lambing season on the periparturient egg rise in Ontario sheep flocks. Preventive Veterinary Medicine 110:3-4, pages 467-480.
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J. Learmount, M.A. Taylor, G. Smith & C. Morgan. (2006) A computer model to simulate control of parasitic gastroenteritis in sheep on UK farms. Veterinary Parasitology 142:3-4, pages 312-329.
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H. L. Xie, M. Stankiewicz, J. F. Huntley, J. R. Sedcole, R. W. McAnulty, R. S. Green & A. R. Sykes. (2016) The effects of cold exposure, food allowance and litter size on immunity of periparturient sheep to Teladorsagia circumcincta and Trichostrongylus colubriformis . Animal Science 78:1, pages 149-158.
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. 2009. Soay Sheep. Soay Sheep.
J. Valderrábano & J. Uriarte. (2016) Effect of nutrition in early pregnancy on the periparturient relaxation of immunity to gastro-intestinal parasitism in prolific ewes. Animal Science 76:3, pages 481-489.
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L.P Kahn, M.R Knox, G.D Gray, J.M Lea & S.W Walkden-Brown. (2003) Enhancing immunity to nematode parasites in single-bearing Merino ewes through nutrition and genetic selection. Veterinary Parasitology 112:3, pages 211-225.
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R.W. McAnulty, A.S. Familton, R.D. Sedcole & A.R. Sykes. (2016) Changes in the resistance of the ewe to infection with Teladorsagia circumcincta during late pregnancy and lactation . Animal Science 72:1, pages 159-168.
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D.M Leathwick, C.M Miller, A.e Brown & I.a Sutherland. (1999) The establishment rate of Ostertagia circumcincta and Trichostrongylus colubriformis in lactating Romney ewes. International Journal for Parasitology 29:2, pages 315-320.
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J. Donaldson, M. F. J. van Houtert & A. R. Sykes. (2010) The effect of nutrition on the periparturient parasite status of mature ewes. Animal Science 67:3, pages 523-533.
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S Tembely, A Lahlou-Kassi, J.E.O Rege, E Mukasa-Mugerwa, D Anindo, S Sovani & R.L Baker. (1998) Breed and season effects on the peri-parturient rise in nematode egg output in indigenous ewes in a cool tropical environment. Veterinary Parasitology 77:2-3, pages 123-132.
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D.M. Leathwick, A. Vlassoff & N.D. Barlow. (1995) A model for nematodiasis in New Zealand lambs: The effect of drenching regime and grazing management on the development of anthelmintic resistance. International Journal for Parasitology 25:12, pages 1479-1490.
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P. Dorny, C. Symoens, A. Jalila, J. Vercruysse & R. Sani. (1995) Strongyle infections in sheep and goats under the traditional husbandry system in peninsular Malaysia. Veterinary Parasitology 56:1-3, pages 121-136.
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A. R. Sykes. (2010) Parasitism and production in farm animals. Animal Science 59:2, pages 155-172.
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I.A. Barger. (1993) Influence of sex and reproductive status on susceptibility of ruminants to nematode parasitism. International Journal for Parasitology 23:4, pages 463-469.
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L. Gruner, J. Bouix, J. Cabaret, C. Boulard, J. Cortet, C. Sauve, G. Molenat & M. Calamel. (1992) Effect of genetic type, lactation and management on helminth infection of ewes in an intensive grazing system on irrigated pasture. International Journal for Parasitology 22:7, pages 919-925.
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D.M. Leathwick, N.D. Barlow & A. Vlassoff. (1992) A model for nematodiasis in New Zealand lambs. International Journal for Parasitology 22:6, pages 789-799.
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A.D. Agyei, Debra Sapong & A.J. Probert. (1991) Periparturient rise in faecal nematode egg counts in West African Dwarf sheep in Southern Ghana in the absence of arrested strongyle larvae. Veterinary Parasitology 39:1-2, pages 79-88.
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R.L. Coop, D.J. Mellor, E. Jackson, F. Jackson, D.J. Flint & R.G. Vernon. (1990) Teladorsagia circumcincta egg output at the onset of natural and induced lactation in ewes. Veterinary Parasitology 35:4, pages 295-305.
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H.C. Gibbs & I.A. Barger. (1986) Haemonchus contortus and other trichostrongylid infections in parturient, lactating and dry ewes. Veterinary Parasitology 22:1-2, pages 57-66.
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V. Leyva, A. E. Henderson & A. R. Sykes. (2009) Effect of daily infection with Ostertagia circumcincta larvae on food intake, milk production and wool growth in sheep . The Journal of Agricultural Science 99:2, pages 249-259.
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J.F. Michel. 1974. Advances in Parasitology Volume 12. Advances in Parasitology Volume 12 279 366 .
A.D. Donald & P.J. Waller. (1973) Gastro-intestinal nematode parasite populations in ewes and lambs and the origin and time course of infective larval availability in pastures. International Journal for Parasitology 3:2, pages 219-233.
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