诱导本地矮种马减重：秸秆是否可以替代干草？
Inducing weight loss in native ponies: is straw a viable alternative to hay?
机构信息
Equine Hospital, The University of Edinburgh Royal Dick School of Veterinary Studies, Roslin, Midlothian, UK
Redwings Horse Sanctuary, Norwich, UK.
出版信息
Vet Rec. 2020 Oct 17;187(8):e60. doi: 10.1136/vr.105793. Epub 2020 May 3.
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 40 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 per cent), and overall, group B gained weight (+6±18 kg).
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.
背景
肥胖是英国马群中日益严重的问题。对于有蹄类动物肥胖和蹄叶炎风险的马和小马来说，实现减肥是一个重要但通常具有挑战性的目标。
方法
我们假设在冬季用大麦秸秆和干草（50:50）混合物补充劣质牧场，而不是仅用干草（B 组），这将导致放牧的马群在冬季减肥。为此，将 40 匹马分为两组，一组喂食秸秆混合物（A 组），另一组仅喂食干草（B 组）。
结果
在研究期间，A 组（n=25）中的所有动物都减重，平均体重变化为-27±17kg，而 B 组（n=15）中只有 3 只动物减重（20%），总体而言，B 组体重增加（+6±18kg）。
结论
本研究表明，秸秆是一种具有成本效益和低能量的粗饲料，当试图在冬季诱导放牧马减肥时，它可能是干草的一种有用替代品。在研究期间，两组均未出现绞痛或蹄叶炎。
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