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在夏威夷的马匹中对营养二次性副甲状腺功能障碍的队列研究

Laszlo M Hunyadi¹, Emily A Sundman¹

¹Advanced Equine Diagnostics, Kapaau, HI, United States of America; Texas Tech University School of Veterinary Medicine, Amarillo, TX, United States of America.

Research in veterinary science

|September 11, 2025

概括

在夏威夷,由于低和高氧化酸盐的草地,马类营养二次性甲状腺功能障碍症 (NSHP) 持续存在. 补充的有效性各不相同,需要对受影响的马进行持续监测.

科学领域:

兽医医学兽医医学兽医医学
马的营养马的营养
内分泌学在内分泌学.

背景情况:

马的营养二次性甲状腺功能增高症 (NSHP),或双头病,是由于马的饮食中不平衡的:比率造成的.
由于强化料和豆类的可用性,NSHP已经变得罕见,但夏威夷独特的环境因素构成风险.
夏威夷的牧场经常缺乏豆类,含有高度的氧酸盐,增加了放牧马的NSHP风险.

研究的目的:

调查NSHP在夏威夷基基尤草牧场上的马的流行率和影响.
评估补充剂在这种独特环境中管理NSHP的有效性.
为了评估补充剂后血电离和副甲状腺激素水平的变化.

主要方法:

一项队列研究涉及十七只进口到夏威夷的成年马,它们在基库尤草上放牧.
在基线和8个月后测量血电离和副甲状腺激素.
将两种不同的补充剂配方给两组马.

主要成果:

17匹马中有9匹被诊断出患有NSHP;8匹最初是正常的.
补充的结果各不相同,一些NSHP病例得到解决,而另一些病例持续存在. 一匹非NSHP马患上了这种疾病.
在治疗组之间观察到治疗后电离和副甲状腺激素水平的统计学上显著差异.

结论:

在高氧沙酸盐牧场和有限的强化料供应地区,NSHP仍然是一个重大问题.
补充可能会带来一些好处,但并不是NSHP的保证解决方案.
持续监测和量身定制的管理策略对于高风险环境中的马来说至关重要.

关键词:

补充的补充剂是一种补充.马类甲状腺功能过强症.营养性二次性甲状腺功能增高症.牛氧酸盐料牛氧酸盐料是一种

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