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Drenches

Sheep drench figures - a recent snapshot
A recent Sheep CRC phone survey of producers across Australia reveals some interesting trends regarding sheep drench purchases, and an encouraging correlation with active information-seeking to choose drench types. Click here to view this article »
Pharmaceutical Companies keep on trying to develop new molecules for drenches.
...(and other things), the risks, the regulations, and the possible payoff. It explains why new molecules are not common – hence the need for producers to use them correctly and appropriately. Click here to view this article »
Understanding drenches - mixtures, combinations and both
Selection for drench resistance happens when worms in a sheep are exposed to a drench treatment. Click here to view this article »
New product - pour-on for lice and worms (Cooper Maverick)
Coopers Animal Health has just released their latest lice and worm control product – Coopers Maverick. Click here to view this article »
Quarantine drenching - getting it right!
There are two ways you can get drench-resistant worms: breed your own and/or buy someone else's. Click here to view this article »
Choosing drenches
The key principles for choosing a drench are outlined in the article below. Click here to view this article »
Resistance to ML Drenches - Is it affecting more worm species?
Resistance to the macrocyclic lactone (ML) group of anthelmintics is a serious problem for the Australian sheep industries. Click here to view this article »
The fit for Startect® in WormBoss regional worm control programs
Startect® is a new sheep drench from Zoetis expected to be released September 2014. The drench is a combination of a novel (brand new) active, derquantel, from the spiroindole (SI) group and abamectin, which is an active from the ML (or mectin) group. Startect® has a number of attributes that will benefit worm control and management of drench resistance, but there are some considerations. Click here to view this article »
Reduced efficacy of new drenches? Be alert, not alarmed
Recently there have been a small number of confirmed reports of reduced efficacy, including resistance, involving new sheep drenches in Australia. What should sheep producers do? Click here to view this article »
Rametin drench update
OP drenches are very useful; only Rametin® made by Bayer, remains on the market, but supply has been interrupted. ParaBoss has been informed that Bayer is working to re-establish production as soon as possible. Click here to view this article »
New and agisted sheep bring resistant worms home
Producers who have recently brought new or agisted sheep home after drought, have been caught out with resistant worms. Quarantine drench to avoid future problems. Click here to view this article »
Use the right dose of drench: under and overdosing and implications for drench resistance
Under dosing can increase drench resistance, but overdosing won’t overcome the problem once present. When choosing drenches, use the three important principles to slow development of drench resistance. Click here to view this article »
Weaners and the First Summer Drench in winter rainfall areas
Can the one drench be both a weaning and a first summer drench and should the first summer drench be delayed this year? Click here to view this article »
Life after naphthalophos (Rametin): a good time to test drench efficacy
Rametin®, the organophosphate drench manufactured by Bayer for over 30 years, will no longer be produced due to the inability to overcome ingredient supply issues. This signals another reason to do a DrenchTest, or at least a DrenchCheck. Click here to view this article »
NAPfix® return keeps OP drench on hand
Organophosphate (OP) is a valuable drench class that will now be maintained with the return of NAPfix®, a pre-mixed, ready-to-use combination drench containing the OP, ML and BZ drench groups. Click here to view this article »
Drench price—how important is it?
The WormBoss Drenches section now shows drench prices—but price per dose should be at the bottom of the list of criteria when choosing a drench. Click here to view this article »
Zolvix™ Plus providing efficacy and easier management of drench resistance
Elanco Animal Health has recently launched Zolvix Plus in Australia; a new combination drench for sheep. Zolvix Plus combines monepantel (the active ingredient in Zolvix) with abamectin (a widely used macrocyclic lactone). Click here to view this article »
Pre-lambing—drench routinely or WormTest first?
At lambing and during lactation, a ewe’s immunity to worms temporarily declines. This summary outlines, according to your region, whether to WormTest or drench routinely before lambing. Click here to view this article »
Summer drenching—the key to winter worm control
Summer drenching is the cornerstone of effective worm control in southern Australia. For a summer drench program to work it must be done at the right time with the right drench. Click here to view this article »
Top strategies to form the backbone of your sheep worm program.
Advertorial. The success of your sheep drench defence strategy relies on following a few golden rules. Discover the key actions that form the backbone of an effective worm eradication program. Click here to view this article »