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ParaBoss News - January 2020 - State Outlooks

https://askbill.com.au/#/maps
https://askbill.com.au/#/maps
Worm infection during and after dry weather or drought in the (normally) moderate to high rainfall regions
Worm infection during and after dry weather or drought in the (normally) moderate to high rainfall regions
WARNING: wet weather problems.
WARNING: wet weather problems.

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ParaBoss Technical Workshop 2020

Preparing a sheep parasite control calendar

Adelaide, Tuesday 10 March 2020

For sheep industry vets, advisors, extension staff, pharmaceutical and rural merchandise company staff, leading sheep producers, and academics and students in animal health related courses.

The workshop will be informative, fun, involve light-hearted competition and give the opportunity for networking. >> Read more.

The Quick Quiz

This quick quiz tests your knowledge of sheep and goat parasites and their control. 

1. Name two benefits of the second summer drench for sheep in temperate winter rainfall regions?

2. Name the three tests that are based on counting worm eggs and their purpose. 

3. Name three principles you should consider to manage the development of treatment-resistance in lice.

4. What threshold level of flystrike would you use to determine when to initiate control treatments after a dry period?

>> Check the answers.

State Outlooks for January 2020

Bushfires have continued to rage. Rain has been reasonable in some regions but painfully low in others. Searing temperatures have been predicted for the last few days in January.

Any follow-up rain from storms and signs of green pick should warn producers that ongoing monitoring of mobs for worms and fly over the next couple of months will be imperative. 

Alert! - flystrike and barber's pole worm

Flystrike monitoring should increase now, especially in lambs. Check ASKBILL for the FLYSTRIKE RISK MAPS for your area.

Also, conduct worm egg counts from 4 weeks after your first significant falls of rain (>10 mm across a 5-day period). Read this general warning about wet weather and worms.

New South Wales
>> full report

Drought conditions have been unsuitable for larval survival, but with some rain and green pick, this situation could change very quickly. Animals are under stress and their immune systems are compromised. Coccidial infections have been reported.

Victoria
>> full report

Relatively mild weather has promoted larval survival on pasture and a resultant increase in the number of both mature and young stock requiring drenching, some just 4-5 weeks after the first summer drench. Any mobs not drenched since the start of December should be monitored now!

Queensland
>> full report

Some useful but patchy rains across southern regions of the state. Any follow-up rain should trigger monitoring for barber’s pole and flystrike. On the northern coastal strip currently experiencing the wet season, monitoring and drenching should already be in place.

Western Australia
>> full report

In general, dry and hot conditions decimate worm and blowfly on pasture. Lambs and hoggets should have received a summer drench by now.

In the higher rainfall zones, along with the rain and the subsequent green pasture growth comes the risk of worm outbreaks, particularly barber’s pole.

Tasmania
>> full report

The prolonged (by our standards) dry has reduced the level of larval pickup in the weeks after the weaning drench. Plan to give the second summer drench between now and early March. 

South Australia
>> full report

Just 20–25% of mobs of ewes or lambs have needed a summer drench due to the drier weather. Flystrike also tends to be substantially reduced, with the risk further reduced by shearing or crutching during the spring to summer months.
For January 2020 state outlooks, please follow the links below:
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