Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/4189
Title: Intensive Rotational Grazing And It's Role As A Tool For Barber's Pole Worm Control In The New England
Contributor(s): Colvin, A F (author); Walkden-Brown, Steve William  (author)orcid 
Publication Date: 2006
Handle Link: https://hdl.handle.net/1959.11/4189
Field of Research (FoR) 2008: 070205 Animal Protection (Pests and Pathogens)
Socio-Economic Objective (SEO) 2008: 830311 Sheep - Wool
Abstract: Sheep on Farmlet C – Intensive Rotational Grazing (IRG): • have lower faecal worm egg counts than A and B in all classes of sheep • have a lower percentage of Barber’s Pole Worm ('Haemonchus contortus') • are exposed to lower numbers of larvae on pasture • have lower resistance to worms • have no discernable production losses attributable to worms The reduction in faecal worm egg counts is due to interruption of the nematode lifecycle in its free-living stages and is not due to better host resistance or resilience on Farmlet C. Intensive rotational grazing works in 2 ways: • Preventing autoinfection by removing sheep from pasture before they re-infect themselves (short grazing periods). • Presenting a low number of infective larvae available on pasture for ingestion by sheep (long rest periods). Farmlet C seems to be more effective against Barber’s Pole worm than against the other major worm species. This is likely, due to the specific climatic conditions required by Barber’s Pole worm eggs to hatch and develop into infective larvae. Other major worm species such as Black scour worm ('Trichostrongylus spp.') and Small brown stomach worm ('Teladorsagia circumcincta') have much hardier eggs which can survive longer in the absence of optimal moisture and temperature conditions.
Publication Type: Conference Publication
Conference Details: Symposium 2006: The Cicerone Farms - Coming to Conclusions? , University of New England, Armidale, NSW, Australia, 11/05/06
Source of Publication: The Cicerone Farms - Coming to Conclusions?, p. 31-38
Publisher: University of New England
Place of Publication: Armidale, NSW, Australia
HERDC Category Description: E2 Non-Refereed Scholarly Conference Publication
Other Links: http://trove.nla.gov.au/work/16403558?selectedversion=NBD41406872
http://www.cicerone.org.au/Default.aspx?tabid=55
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Appears in Collections:Conference Publication
School of Environmental and Rural Science

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