b'CONTENTS VOL XXXVNO. 3 MARCH 2018 TheHorse.comFEATURES DEPARTMENTS16 Long in the . Ears 6 WHATS ONLINE8 VIEWPOINTAging mules and donkeys need to be managed just as carefully as horses.9 READER SERVICES &OUR CONTRIBUTORS10 NEWSFRONT12 LETTERS14 CHANGES IN SENIOR HORSES CHEWING ABILITY AAEP Forum > You might need to make dietary changes as old horses lose their ability to grind food.43 FROM FIELD TOFEED BAG Nutrition > Learn how your horses din-ner arrives nutritionally balanced and quality-control-tested.22 Tying-Up: Where Do We Stand? 50 HOOF CARE FOR EMS HORSES What we know about polysaccharide storage myopathy.Step by Step >From the founder-prone chubby pony to the chronic endocrine-32 Caring for Orphan Foals related laminitis case, heres how to How to handle your orphans dietary challenges and behavior issues. keep your EMS horse comfortable. 59 A REMINDER ABOUT 37 Equine Detailing MULES Behavior >Things to keep in mind when Elevate your grooming routine with these tips. working with mules; the reason behind a stallions attack; and deterring pawing FLIP in the trailer.A4 AAEP Convention Special SectionOVER61 SHOPPERS PADDOCK &ON THE COVER COMING NEXT MONTH ADVERTISING INDEXorphan foals Hoof care for EMS Horses the latest on PSSM COVER PHOTO:> Your Guide to DewormingA CARIENMnE DoifAf iPcAirAltn AEArEP MArcH 2018 | theHorse.comSCHIPPERS > Immunity: From Birth toLong Ears ABOVE:Old Aget SUSAN KORDISH THE HORSES PARTNERS IN EQUINE HEALTHahse tirhe nye aegdes> How to Build Muscleand ToplineFlip OverSpecial SectiOn weva sponsored byTHE HORSE: YOUR GUIDE TO EQUINE HEALTH CARE Vol. XXXV No. 3 (ISSN 1081-9711) is published monthly (plus one special issue in March) by The Horse Media Group LLC, 3101 Beaumont Centre Circle #100, Lexington, KY 40513. Periodicals postage paid at Lexington, KY, and at additional mailing offices. POSTMASTER: Send address changes to: The Horse: Your Guide To Equine Health Care, 3101 Beaumont Centre Circle #100, Lexington, KY 40513. CIRCULATION QUERIES: Write us at the address given above, call us toll-free at 800/582-5604 (Monday through Friday, 8:30 to 4:30 EST/EDT). Annual subscription rates in U.S. Funds: United States, $24.00 (residents of Kentucky add 6% sales tax); Canada, $40.45 (includes GST and shipping); all others $45.00 (surface mail delivery) payable in U.S. funds drawn on a U.S. bank. Unsolicited manuscripts, photographs, or slides will be carefully handled, but the Publisher makes no guarantee of a reply and will not be responsible for their safety or return. Do not submit original photographs or slides. No part may be reproduced by any means without permission. 2018 by The Horse Media Group LLC. THE HORSE: YOUR GUIDE TO EQUINE HEALTH CARE is a registered mark of The Horse Media Group LLC. Printed in the United States.4 TheHorse.comTHE HORSE March 2018'