Breed Predispositions to Disease in Dogs and Cats

Breed Predispositions to Disease in Dogs and Cats

Breed Predispositions to Disease in Dogs and Cats Alex Gough MA VetMB CertSAM MRCVS & Alison Thomas BVSc CertSAM MRCVS

2004 by Blackwell Publishing Ltd Editorial Offices: Blackwell Publishing Ltd, 9600 Garsington Road, Oxford OX4 2DQ, UK Tel: +44 (0)1865 776868 Iowa State Press, a Blackwell Publishing Company, 2121 State Avenue, Ames, Iowa 50014-8300, USA Tel: +1 515 292 0140 Blackwell Publishing Asia Pty Ltd, 550 Swanston Street, Carlton, Victoria 3053, Australia Tel: +61 (0)3 8359 1011 The right of the Author to be identified as the Author of this Work has been asserted in accordance with the Copyright, Designs and Patents Act 1988. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, except as permitted by the UK Copyright, Designs and Patents Act 1988, without the prior permission of the publisher. First published 2004 by Blackwell Publishing Ltd Library of Congress Cataloging-in-Publication Data is available ISBN 1-4051-0748-0 A catalogue record for this title is available from the British Library Set in 9/11pt Ehrhardt by Graphicraft Limited, Hong Kong Printed and bound in India by Replika Press Pvt. Ltd, Kundli The publisher s policy is to use permanent paper from mills that operate a sustainable forestry policy, and which has been manufactured from pulp processed using acid-free and elementary chlorine-free practices. Furthermore, the publisher ensures that the text paper and cover board used have met acceptable environmental accreditation standards. For further information on Blackwell Publishing, visit our website: www.blackwellpublishing.com

Acknowledgements x Introduction 1 Basic Genetics 3 Part I: Dogs 9 Affenpinscher 11 Afghan Hound 11 Airedale Terrier 12 Alaskan Malamute 13 American Staffordshire Terrier 14 American Water Spaniel 15 Australian Cattle Dog 15 Australian Kelpie 15 Australian Shepherd Dog 16 Basenji 16 Basset Hound 17 Beagle 19 Bearded Collie 23 Beauceron 23 Bedlington Terrier 23 Belgian Shepherd Dog 24 Belgian Tervuren 24 Bernese Mountain Dog 25 Bichon Frise 26 Bloodhound 28 Border Collie 28 Border Terrier 29 Borzoi 29 Boston Terrier 30 Bouvier des Flandres 32 Boxer 33 Boykin Spaniel 37 Briard 37 Brittany Spaniel 37 Bulldog (English) 38 Bull Mastiff 41 Bull Terrier 42 Cairn Terrier 43 Carnelian Bear Dog 44 Cavalier King Charles Spaniel 44 Chesapeake Bay Retriever 45 Chihuahua 46 v

vi Chinese Crested Dog 47 Chow Chow 47 Clumber Spaniel 49 Cocker Spaniel 49 Collies (Rough and Smooth) 54 Coonhound 58 Curly-coated Retriever 58 Dachshund 58 Dalmatian 63 Dandie Dinmont Terrier 64 Dobermann 64 Dogue de Bordeaux 68 Dutch Kooiker 68 English Setter 68 Eskimo Dog 69 Field Spaniel 69 Finnish Spitz 69 Flat-coated Retriver 69 Foxhound 70 Fox Terrier 70 French Bulldog 71 German Shepherd Dog (GSD) 72 Golden Retriever 79 Gordon Setter 83 Great Dane 84 Greyhound 86 Griffon Bruxellois 88 Harrier Hound 88 Havanese 88 Hungarian Puli 88 Hungarian Vizsla 89 Ibizan Hound 89 Irish Red and White Setter 89 Irish Setter 89 Irish Terrier 91 Irish Water Spaniel 92 Irish Wolfhound 92 Italian Greyhound 93 Jack Russell Terrier 94 Japanese Akita 94 Japanese Chin 95 Keeshond 96 Kerry Blue Terrier 96 King Charles Spaniel (English Toy Spaniel) 97 Komondor 98 Kuvasz 98 Labrador Retriever 98 Lakeland Terrier 102 Lancashire Heeler 103 Lapland Dog 103

vii Leonberger 103 Lhasa Apso 103 Lowchen 105 Lundehund 105 Lurcher 105 Maltese 105 Manchester Terrier 106 Mastiff 106 Mexican Hairless 107 Miniature Bull Terrier 107 Miniature Pinscher 107 Munsterlander 108 Neapolitan Mastiff 108 Newfoundland 108 Norfolk Terrier 109 Norwegian Buhund 110 Norwegian Elkhound 110 Norwich Terrier 111 Nova Scotia Duck Tolling Retriever 111 Old English Sheepdog 111 Otterhound 113 Papillon 113 Parson Russell Terrier 113 Pekingese 113 Petit Basset Griffon Vendeen 115 Pointers 115 Polish Lowland Sheepdog 118 Pomeranian 118 Poodle 119 Portugese Water Dog 124 Pug 124 Pyrenean Mountain Dog 126 Red Kelpi 126 Rhodesian Ridgeback 126 Rottweiler 127 St Bernard 129 Saluki 131 Samoyed 131 Schipperke 133 Schnauzer 133 Scottish Deerhound 137 Scottish Terrier 137 Sealyham Terrier 139 Shar Pei 139 Shetland Sheepdog 140 Shih Tzu 143 Siberian Husky 145 Silky Terrier 146 Skye Terrier 147 Soft-coated Wheaten Terrier 147

viii Springer Spaniel 148 Staffordshire Bull Terrier 151 Sussex Spaniel 151 Swedish Lapland 152 Tibetan Mastiff 152 Tibetan Spaniel 152 Tibetan Terrier 152 Weimaraner 153 Welsh Corgi 154 Welsh Terrier 155 West Highland White Terrier 155 Whippet 158 Yorkshire Terrier 158 Part II: Cats 161 Abyssinian 163 American Short Hair 164 Balinese 164 Birman 164 British Short Hair 165 Burmese 165 Cornish and Devon Rex 166 Domestic Long Hair 166 Domestic Short Hair 167 Egyptian Mau 168 Havana Brown 169 Himalayan 169 Korat 169 Maine Coon 170 Manx 170 Norwegian Forest 170 Oriental 170 Persian 170 Ragdoll 172 Scottish Fold 172 Siamese 172 Somali 175 Tonkinese 176 Part III: Disease Summaries 177 Cardiovascular conditions 179 Dermatological conditions 183 Endocrine conditions 190 Gastrointestinal conditions 192 Haematological/immunological conditions 196 Infectious conditions 199 Musculoskeletal conditions 200 Neoplastic conditions 208

ix Neurological conditions 212 Ocular conditions 219 Renal and urinary conditions 224 Reproductive conditions 227 Respiratory conditions 228 Sources 231 Appendix: Details of some organisations running surveillance schemes for inherited diseases 235

Acknowledgements The authors wish to thank the following people for their helpful comments in the writing of this book: Mark Bossley BVM&S CertVOphthal MRCVS, Malcolm Cobb MA VetMB PhD DVC MRCVS, Clive Elwood MA VetMB MSc DipACVIM DipECVIM PhD CertSAC MRCVS, Heidi Featherstone BVetMed, DVOphthal MRCVS, Nick Jeffery BVSc PhD CertSAO DSAS DECVS DECVN FRCVS and Retha Queenan BVSc CertVOphthal MRCVS. Any errors remain the responsibility of the authors themselves. x