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In this issue: WormTesting, osis or iasis, toxic plants, Plains Talk, cats, Poo-the book
Checking a mob of sheep for worms
A friend/primary producer (these terms are not mutually exclusive) asked me recently about WormTesting and whether 10 individual samples from a mob were enough.
For the good oil on this, go to WormBoss:
Yep, WormBoss has the good oil on pretty much everything.
Here is a discussion at the end of page to which the above link/URL directs:
Bulk collection method
When conducting your own worm egg counts on farm:
Collect three pellets per adult pile (or the equivalent amount if soft or runny) or five for weaners.
Collect from at least 20 dung piles.
Where Haemonchus (barber’s pole worms) are an issue, and if the mob has over 200 sheep, collect from each of 40 dung piles.
Collect all dung into one container.
The dung then needs to be mixed extremely thoroughly.
Conduct your worm egg count using a sub-sample from the bulk mixture.
“-osis or iasis ?”
So, is it, for example, ostertagiosis or ostertagiasis?
Here is the good oil:
-osis. word element. (Gk). disease, morbid state, abnormal increase.
-asis. suffix meaning process or condition.
Source: Saunders Comprehensive Vet Dict. (Blood et al). 3rd Ed, Saunders.
Thus ‘osis’ would seem to indicate the state associated with clinical disease and ‘asis’ the stages before that.
* ostertagiosis – clinical disease due to Ostertagia sp (although the term ostertagiasis is more commonly (if not correctly) used here).
* ostertagiasis -infection with Ostertagia sp.
The way I remember it is to think of Joe Boray’s liver fluke Primefact, which equates ‘liver fluke disease’ with ‘fasciolosis’: http://www.dpi.nsw.gov.au/__data/assets/pdf_file/0004/114691/liver-fluke-disease-in-sheep-and-cattle.pdf
Veterinary notes on livestock disorders associated with pasture species
Dr Chris Bourke, formerly Principal Research Scientist (Veterinary Toxicology) at NSW DPI, Orange wrote these handy notes.
(I stumbled across them while fielding an inquiry from a NZ colleague re poisonous plants).
Go to Appendix VI, pages 47-48 at http://www.dpi.nsw.gov.au/agriculture/pastures/pastures-and-rangelands/species-varieties/pasture-varieties
(I noticed the odd typo in there, so even former class mate Chris wasn’t perfect 🙂 . Typos are deliberately included in most WRMLs to see who is paying attention).
Plains Talk is a newsletter emailed monthly to over 800 landholders and is of particular interest to those on the NSW Western Plains.
It is also available to view online at http://www.lhpa.org.au/districts/centralwest.
If you aren’t on the mailing list and would like to be, please email firstname.lastname@example.org .
Our complicated relationship with cats
‘Also contains some parasitology, so doubly good.
Poo book (Davies and Layton)
A good coffee table book for you, your visitors, children and grandchildren. (Thank you Dr R Reece). If your friends don’t like it, then maybe you should be more choosy.
I got mine (for my (ostensibly adult) sons) from fishpond.com.au ISBN 9781844287512 http://preview.tinyurl.com/lbr8flt
An 8mb USB flash drive !!!!
‘When IBM launched the first commercial USB flash drive in late 2000, it had a maximum storage capacity of 8MB. At the time, this was seen as cutting edge, since that was about 5x the capacity of then-common floppy disks’.
How things have changed in a short time, both the capacity and the cost per megabyte.
Quote of the Day
‘Not flattering, but perhaps insightful nonetheless?
Natural History-N Davies N Layton 2004.front and back covers.20130904102132.pdf