Assessment of Gastric Ulceration and Gastrin Response in Horses with History of Crib-Biting

It was hypothesized that horses exhibiting crib-biting (CB) have a greater degree of gastric mucosal damage and higher serum gastrin response to concentrate feeding than non-crib-biting (NCB) horses. Eighteen mature horses, 9 CB and 9 NCB, were used to determine prevalence and severity of gastric mu...

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Bibliographic Details
Published in:Journal of equine veterinary science 2013-09, Vol.33 (9), p.739-745
Main Authors: Wickens, Carissa L., McCall, Cynthia A., Bursian, Steve, Hanson, Reid, Heleski, Camie R., Liesman, James S., McElhenney, Wendell H., Trottier, Nathalie L.
Format: Article
Language:English
Subjects:
Behavior
blood serum
Crib-biting
diet
feed concentrates
gastric juice
Gastric ulcers
gastrins
Horse
horses
hyperkeratosis
mucosa
pastures
Serum gastrin
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Summary:It was hypothesized that horses exhibiting crib-biting (CB) have a greater degree of gastric mucosal damage and higher serum gastrin response to concentrate feeding than non-crib-biting (NCB) horses. Eighteen mature horses, 9 CB and 9 NCB, were used to determine prevalence and severity of gastric mucosal damage and effect of concentrate feeding on circulating gastrin. Horses were maintained on pasture with free access to hay and fed a pelleted concentrate diet twice daily. Number of crib-bites and duration of cribbing bouts were recorded in a 24-hour period. Endoscopic examinations (EE) of the squamous mucosa were performed and gastric fluid sampled after 24 to 28 hour feed removal. Following EE, horses were returned to pasture for 72 hours. Blood was collected following 12-hour feed removal (0 minutes), and at 60 and 120 minutes after consuming 1 kg of concentrate. Mean number of crib bites in 24 hours was 1,558 ± 303 with CB peaking prior to and during the afternoon feeding (3:30 PM, P 
ISSN:0737-0806
1542-7412
DOI:10.1016/j.jevs.2012.12.004