ADAS (1996):
Controlling internal parasites without anthelmintics (A review).
By: R. Keatinge. ADAS Redesdale, Rochester, Otterburn, Newcastle upon Tyne, NE19 1SB.
Armour, J. Coop, R.L. (1991):
Pathogenesis and Control of Gastrointestinal Helminthiasis. In: Diseases of Sheep.
2nd edition. Ed.W. B. Martin and I. D. Aitken. pp. 122-130.
Blackwell Scientific Publications, Oxford.
Bairden, K. Armour, J. Duncan, J. L. (1995):
A 4-year study on the effectiveness of alternate grazing of cattle and sheep in the control of bovine parasitic gastro-enteritis.
Veterinary Parasitology 60: 1/2, 119-132.
Bishop, S. C. Bairden, K. McKellar, Q. A. Park, M. Stear, M. J. (1996):
Genetic parameters for faecal egg count following mixed, natural, predominantly Ostertagia circumcincta infection and relationships with live weight in young lambs.
Animal Science 63: 3, 423-428.
Bisset, S. A. Vlassoff, A. West, C. J. Morrison, L. (1997):
Epidemiology of nematodosis in Romney lambs selectively bred for resistance or susceptibility to nematode infection.
Veterinary Parasitology 70: 4, 255-269.
Cawthorne, R. J. G. (1986):
Management for the control of parasites. In: Grazing.
Ed. J. Frame. British Grassland Society. Occasional Symposium No. 19. Proceedings of a Conference held at Malvern, Worcestershire, UK, 5-7 November 1985. Pp. 89-97.
Coles, C. G. (1997):
Management of anthelmintic resistance.
Veterinary Record 141: 2, 56.
Coles, G. C. (1998):
Drug-resistant parasites of sheep: an emerging problem in Britain.
Parasitology Today 14: 3, 86-88.
Connan, R. M. (1997):
Ovine ostertagiosis in the spring.
Veterinary Record 140: 23, 612.
Coop, R. L. Smith, W. D. Angus, K. W. Graham, R. B. Wright, S. E. Jackson, F. (1985):
Effect of Ostertagia ostertagi on lamb performance and cross resistance to O.circumcincta.
Research in Veterinary Science 39: 2, 200-206.
Coop, R. L. Jackson, F. Jackson, E. Fitzsimons, J. Lowman, B. G. (1988):
Nematodirus infection in lambs on an alternate grazing system of husbandry.
Research in Veterinary Science 45: 1, 62-67.
Coop, R.L. (1989):
Roundworms and Fluke Infections in Sheep.
Animal Diseases Research Association. News Sheet 4.
Coop, R. L. Jackson, F. Jackson, E. (1991):
Relative contribution of cattle to contamination of pasture with Nematodirus battus under an alternate grazing system of husbandry.
Research in Veterinary Science 50: 2, 211-215.
Courtney, C. H. Parker, C. F. McClure, K. E. Herd, R. P. (1984):
A comparison of the periparturient rise in fecal egg counts of exotic and domestic ewes.
International Journal for Parasitology 14: 4, 377-381.
Courtney, C. H. Parker, C. F. McClure, K. E. Herd, R. P. (1985):
Resistance of nonlambing exotic and domestic ewes to naturally acquired gastrointestinal nematodes.
International Journal for Parasitology 15: 3, 239-243.
Crawford, A. M. McEwan, J. C. Dodds, K. G. Bisset, S. A. MacDonald, P. A. Knowler, K. J. Greer, G. J. Green, R. S. Cuthbertson, R. P. Wright, C. S. Vlassoff, A. Squire, D. R. West, C. J. Paterson, K. A. Phua, S. H. (1997):
Parasite resistance: a genome scan approach to finding markers and genes.
Proceedings of the New Zealand Society of Animal Production 57: 297.
Dick, A. (1996):
New weapon in fight against sheep parasites.
Rural Research 171, 13-15.
Donaldson, J. Houtert, M. F. J. van. Sykes, A. R. (1997):
The effect of protein supply on the periparturient parasite status of the mature ewe.
Proceedings of the New Zealand Society of Animal Production 57: 186.
Douch, P. G. C. Green, R. S. Morris, C. A. McEwan, J. C. Windon, R. G. (1996):
Phenotypic markers for selection of nematode-resistant sheep.
Ed.
Gill, H.S. LeJambre, L.F.International Journal for Parasitology 26: 8/9, 899-911.
Faedo, M. Barnes, E. H. Dobson, R. J. Waller, P. J. (1998):
The potential of nematophagous fungi to control the free-living stages of nematode parasites of sheep: pasture plot study with Duddingtonia flagrans.
Veterinary Parasitology 76: 1/2, 129-135.
Gill, J. H. Lacey, E. (1998):
Avermectin/milbemycin resistance in trichostrongyloid nematodes.
Ed.
Behm, C. A. Spratt, D. M.International Journal for Parasitology 28: 6, 863-877.
Githigia, S. M. Thamsborg, S. M. Larsen, M. Kyvsgaard, N. C. Nansen, P. (1997):
The preventive effect of the fungus Duddingtonia flagrans on trichostrongyle infections of lambs on pasture.
International Journal for Parasitology 27: 8, 931-939.
Hohenhaus, M. A. Josey, M. J. Dobson, C. Outteridge, P. M. (1998):
The eosinophil leucocyte, a phenotypic marker of resistance to nematode parasites, is associated with calm behaviour in sheep.
Immunology & Cell Biology 76: 2, 153-158.
Holmes, P. H. (1987):
Pathophysiology of nematode infections.
International Journal for Parasitology 17: 443-451.
Houtert, M. F. J. van. Barger, I. A. Steel, J. W. (1996):
Supplementary feeding and gastrointestinal nematode parasitism in young grazing sheep.
New Zealand Society of Animal Production, Hamilton, New Zealand. 56: 94-98.
Jackson, F. Coop, R.L. (1999):
Anthelmintic Resistance in Roundworms and Improved Drenching Techniques.
The Moredun Foundation News Sheet Vol. 3, No. 2.
Larsen, M. Faedo, M. Waller, P. J. Hennessy, D. R. (1998):
The potential of nematophagous fungi to control the free-living stages of nematode parasites of sheep: Studies with Duddingtonia flagrans.
Veterinary Parasitology 76: 1/2, 121-128.
Lumaret, J. P. Kadiri, N. (1998):
Effets des endectocides sur la faune entomologique du paturage.
Bulletin des G.T.V. - Groupements Techniques Veterinaires : Dossiers
Techniques Veterinaires. No. 3, 55-62.
McEwan, J. C. Dodds, K. G. Greer, G. J. Bain, W. E. Wright, C. S.
Green,
R. S. Watson, T. G. (1997):
Genotype rankings for host resistance to internal parasites for sheep grazed in contrasting environments.
In: Breeding ... responding to client needs. Association for the Advancement of
Animal Breeding and Genetics. Proceedings of the Twelfth Conference, Dubbo,
NSW, Australia 6th-10th April 1997: Part 1. AAABG Distribution Service c/-
A.G.B.U, Armidale, Australia. Pp. 40-44.
Mitchell, G. B. B. Mathieson, A. O. Fitzsimons, J. (1985):
Epidemiology of Nematodirus battus infection in eastern Scotland.
Research in Veterinary Science 38: 2, 197-201.
Morris, C. A. Vlassoff, A. Bisset, S. A. Baker, R. L. Watson, T. G. (1997):
Direct responses to selection for divergence in faecal nematode egg count in young Romney and Perendale sheep.
In: Breeding ... responding to client needs. Association for the Advancement of
Animal Breeding and Genetics. Proceedings of the Twelfth Conference, Dubbo,
NSW, Australia 6th-10th April 1997: Part 1. AAABG Distribution Service c/-
A.G.B.U, Armidale, Australia. Pp. 413-416.
Niezen, J. H. Waghorn, G. C. Charleston, W. A. G. (1998a):
Establishment and fecundity of Ostertagia circumcincta and Trichostrongylus colubriformis in lambs fed lotus (Lotus pedunculatus) or perennial ryegrass (Lolium perenne).
Veterinary Parasitology 78: 1, 13-21.
Niezen, J. H. Charleston, W. A. G. Hodgson, J. Miller, C. M. Waghorn, T. S. Robertson, H. A. (1998b):
Effect of plant species on the larvae of gastrointestinal nematodes which parasitise sheep.
International Journal for Parasitology 28: 5, 791-803.
Satyavir Singh. Yadav, C. L. Sadana, J. R. (1998):
Breed variations in immunological and histopathological responses of sheep to Haemonchus contortus infection.
Journal of Veterinary Parasitology 12: 1, 21-24.
Smith, L. P. Thomas, R. J. (1972):
Forecasting the spring hatch of Nematodirus battus by use of soil temperature data.
Veterinary Record 90: 388-392.
Stear, M. J. Bairden, K. Bishop, S. C. Buitkamp, J. Duncan, J. L. Gettinby, G. Mckellar, Q. A. Park, M. Parkins, J. J. Reid, S. W. J. Strain, S. Murray, M. (1997):
The genetic basis of resistance to Ostertagia circumcincta in lambs.
Veterinary Journal 154: 2, 111-119.
Stear, M. J. Bairden, K. Bishop, S. C. Gettinby, G. McKellar, Q. A. Park, M. Strain, S. Wallace, D. S. (1998):
The processes influencing the distribution of parasitic nematodes among naturally infected lambs.
Parasitology 117: 2, 165-171.
Sutherland, I. A. Leathwick, D. M. Brown, A. E. Miller, C. M. (1997):
Prophylactic efficacy of persistent anthelmintics against challenge with drug-resistant and susceptible Ostertagia [Teladorsagia] circumcincta.
Veterinary Record 141: 5, 120-123.
Thamsborg, S. M. Jorgensen, R. J. Waller, P. J. Nansen, P. (1996):
The influence of stocking rate on gastrointestinal nematode infections of sheep over a 2-year grazing period.
Veterinary Parasitology 67: 3/4, 207-224.
Thamsborg, S. M. Jorgensen, R. J. Ranvig, H. Bartlett, P. Waller, P. J. Nansen, P. (1998):
The performance of grazing sheep in relation to stocking rate and exposure to nematode infections.
Livestock Production Science 53: 3, 265-277.
Thomas, R. J. Boag, B. (1972):
Epidemiological studies on gastro-intestinal nematode parasites. Infection patterns on clean and summer-contaminated pasture.
Research in Veterinary Science 13: 61-69.
UKROFS (2000):
UKROFS Standards for Organic Food Production.
UK Register of Organic Food Standards.
Room 320C C/O MAFF, Nobel House, 17 Smith Square, London SW1P 3JR.
Wallace, D. S. Bairden, K. Duncan, J. L. Eckersall, P. D. Fishwick, G. Gill, M. Holmes, P. H. McKellar, Q. A. Murray, M. Parkins, J. J. Stear, M. J. (1998):
The influence of dietary supplementation with urea on resilience and resistance to infection with Haemonchus contortus.
Parasitology 116: 1, 67-72.
Woolaston, R. R. Barger, I. A. Eady, S. J. (1997):
The relative effectiveness of alternative worm control measures and their
interactions.
In: Breeding ... responding to client needs. Association for the Advancement of
Animal Breeding and Genetics. Proceedings of the Twelfth Conference, Dubbo,
NSW, Australia 6th-10th April 1997: Part 1. AAABG Distribution Service c/-
A.G.B.U, Armidale, Australia. Pp. 45-80.
Zajac, A. M. Herd, R. P. McClure, K. E. (1988):
Trichostrongylid parasite populations in pregnant or lactating and unmated Florida Native and Dorset/Rambouillet ewes.
International Journal for Parasitology 18: 7, 981-985.