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Inducing weight loss in native ponies: is straw a viable alternative to hay? Inducing weight loss in native ponies: is straw a viable alternative to hay?

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Original languageEnglish
JournalVeterinary Record
Early online date3 May 2020
DOIs
Publication statusE-pub ahead of print - 3 May 2020

Abstract

Background: Obesity is a growing problem in UK equine population. Achieving weight loss in obese horses and ponies at risk of laminitis is an important but often challenging objective.
Methods: We hypothesised that supplementing poor winter pasture with a mix of barley straw and hay (50:50) rather than hay alone (group B) would lead to weight loss in grazing equids over winter. For this purpose, a group of fourty horses were fed either the straw mix (group A) or hay alone (group B) over winter.
Results: Over the study period all animals in group A (n=25) lost weight with a mean weight change of -27 ±17 kg, while in group B (n=15) only 3 out of 15 lost weight (20%) and overall group B gained weight (+6 ±18kg).
Conclusions: This study suggests that straw is a cost-effective and low energy roughage, which may be a useful alternative to hay alone when trying to induce weight loss in grazing equids over winter. There were no episodes of colic or laminitis during the study period in either group.

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