WEB Vetnews May 2015

Regulars I Merial pages

OFTEN, THE MERE TELLING OF YOUR STORY IS BOTH HEALING & MOTIVATING

The SAVA Stress Management Hotline is there to assist members who are experiencing personal problems by offering access to professional counselling/advice. The hotline can assist

The following SAVA members are available on the SAVA stress management hotline. If required, they will refer you to professionals.

with referrals or simply offer much needed emotional

Prof Ken Pettey

Cell: 082 882 7356 Email: ken.pettey@up.ac.za Cell: 083 287 2196 Email: drsunelle@vodamail.co.za Cell: 072 599 8737 Email: aileen.vet@gmail.com Cell: 082 323 7019 Email: willem.schultheiss@ceva.com Cell: 082 820 4810 Email: hjbasson1@gmail.com Cell: 083 305 6474 Email: doretha@global.co.za Cell: 083 650 3651 Email: stuartvarrie@gmail.com

Dr Sunelle Strydom Dr Aileen Pypers Dr Willem Schultheiss

support when anxiety, depression, anger, grief, loneliness and fear are at their highest.

Dr Henk Basson

Dr Joseph van Heerden

Dr Stuart Varrie

IN MEMORIAM <<< 31

• Requires frequent post-dosing faecal egg count reduction tests to monitor resistance (but as the test is insensitive, resistance will already have established). • Disadvantage: likely to select for multiple drug resistance. • Advantage: all parasites are targeted during the same year. Classes of drugs may be selected for their activities at certain times of the year, e.g. encysted small strongyles, bots. Seasonal/strategic dosing • Use of anthelmintics at specific times of the year, aimed at disrupting the seasonal cycle of argumenteerder, en bowenal sy liefde en waardering vir sy vrou Dagmar, seuns Cornell en André, hulle gades en sy drie begaafde kleinkinders. Raoul se uitverkore C Louis Leipoldt gedig se eerste vers lui: van veral jagvoëls, gulle gasheer vir vriende, vreeslose, wydbelese

transmission, i.e. at turn-out and at intervals through spring and summer. • Advantages: reduces pasture contamination; most effective on farms where few new horses are introduced. • Disadvantages: problems may arise with abnormal seasons (eggs can develop in mild winters in temperate climates); breakdown if heavily infested horse in introduced; does not take into account age groups. v Further reading available on request. Hier wil ek rus op ons vaal Karoo – Hier, waar die veld ‘n leegte is – Hier, by die slang en die akkedis – Hier, met die hemel blou daarbo. Mag hy die welverdiende rus in ons land se veld wat hy so intens gekoester het, geniet. v Rudolph Bigalke

remove bot eggs while grooming. • Tapeworms and macrocyclic lactone – may have to add double dose pyrantel or praziquantel that year – preferably blood sample for tapeworm ELISA to see if treatment required. Rapid rotation with more than one class of drug within the year Should not be used as it promotes multiple anthelmintic resistance • Different anthelmintic classes are used throughout a year at intervals of 1-2 months and will cover all types of parasites. Tydens die Dankdiens wat op 21 Maart 2015 vir Raoul gehou is, is daar onder meer getuig dat hy ‘n baie vol lewe gelei het, inderdaad alles in die oortreffende trap gedoen het: of dit nou was as ‘raconteur’ van formaat, uitgewer van tydskrifte en boeke, musiekversamelaar, toegewyde jagter MERIAL <<< 32

Reprinted with permission from Vetstream Equis, ISSN: 1757-8272. https://www.vetstream. com/equis/Content/Freeform/fre00645

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Mei/May 2015