VN November 2020

Vetnews | November 2020 1 Contents I Inhoud President: Dr Leon de Bruyn president@sava.co.za Managing Director: Mr Gert Steyn md@sava.co.za / +27 (0)12 346 1150 Editor VetNews: Dr Paul van Dam vetnews@sava.co.za Bookkeeper: Ms Susan Heine accounts@sava.co.za /+27 (0)12 346 1150 Bookkeeper's Assistant: Ms Sonja Ludik bookkeeper@sava.co.za/ +27 (0)12 346 1150 Secretary: Ms Elize Nicholas elize@sava.co.za/ +27 (0)12 346 1150 Reception: Ms Hanlie Swart reception@sava.co.za / +27 (0)12 346 1150 Marketing & Communications: Ms Sonja van Rooyen marketing@sava.co.za / +27 (0)12 346 1150 Membership Enquiries: Ms Debbie Breeze debbie@sava.co.za/ +27 (0)12 346 1150 Vaccination booklets: Ms Debbie Breeze debbie@sava.co.za/ +27 (0)12 346 1150 South African Veterinary Foundation: Ms Debbie Breeze savf@sava.co.za/ +27 (0)12 346 1150 Community Veterinary Clinics: Ms Claudia Cloete cvcmanager@sava.co.za / +27 (0)63 110 7559 SAVETCON: Ms Corné Engelbrecht corne@savetcon.co.za/ +27 (0)71 587 2950 SAVETCON: Ms Erna Klopper admin@savetcon.co.za/ +27 (0)71 587 2950 VetNuus is ‘n vertroulike publikasie van die SAVV en mag nie sonder spe­ sifieke geskrewe toestemming vooraf in die openbaar aangehaal word nie. Die tydskrif word aan lede verskaf met die verstandhouding dat nóg die redaksie, nóg die SAVV of sy ampsdraers enige regsaanspreeklikheid aanvaar ten opsigte van enige stelling, feit, advertensie of aanbeveling in hierdie tydskrif vervat. VetNews is a confidential publication for the members of the SAVA and may not be quoted in public or otherwise without prior specific written permission to do so. This magazine is sent tomembers with the understanding that neither the editorial board nor the SAVA or its office bearers accept any liabilitywhatsoever with regard to any statement, fact, advertisement or recommendation made in this magazine. VetNews is published by the South African Veterinary Association STREET ADDRESS 47 Gemsbok Avenue, Monument Park, Pretoria, 0181, South Africa POSTAL ADDRESS P O Box 25033, Monument Park Pretoria, 0105, South Africa TELEPHONE +27 (0)12 346-1150 FAX General: +27 (0) 86 683 1839 Accounts: +27 (0) 86 509 2015 WEB www.sava.co.za CHANGE OF ADDRESS Please notify the SAVA by email: debbie@sava.co.za or letter: SAVA, P O Box 25033, Monument Park, Pretoria, 0105, South Africa CLASSIFIED ADVERTISEMENTS (Text to a maximum of 80 words) Sonja van Rooyen assistant@sava.co.za +27 (0)12 346 1150 DISPLAY ADVERTISEMENTS Sonja van Rooyen assistant@sava.co.za +27 (0)12 346 1150 DESIGN AND LAYOUT Sonja van Rooyen PRINTED BY UVO: +27 (0)12 423 9460 VET nuus•news Articles / Artikels 5 Microbe Art 8 An evolutionary jolt helped cattle to spread across Africa. Now genetics must make them more productive Regulars / Gereeld 2 From the President / Van die President 4 Reflections from a Dam Wall Vet's Health / Gesondheid 24 Life Coaching 25 Blind spots Association / Vereniging 12 CVC News 16 SAVA News 23 JSAVA News 37 Did you Know? Members / Lede 14 SAVA Member News 23 In Memoriam Events / Gebeure 29 Simparica donation Technical / Tegnies 26 Physical Rehab 28 Ophthalmology Column 30 Zoetis Pages 32 IMV Column Bits and Bobs / Stukkies en Brokkies 38 Study reveals growth charts for puppies could help tackle obesity 38 RVC research identifies key reason for equine pregnancy loss 39 Study reveals key markers for chicken health and productivity 40 Study upends understanding about joint injuries 40 'Jet fighter' godwit breaks world record for non-stop bird flight 41 Tiny, Rare Bone Found in the Hearts of Chimpanzees Relax / Ontspan 36 Humour 34 Recollections 38: Overeating can even cause death 48 Life Plus 21 without Parole Marketplace / Markplein 42 Marketplace Jobs / Poste 44 Marketplace/Jobs / Poste 46 Classifieds / Snuffeladvertensies Diary / Dagboek 47 Dagboek • Diary 10 41 6 Cover photograph: Thomas Fuhrmann, viaWikimedia