Horse Healthcare

Hadrill, David

doi:10.3362/9781780443515

Cited by 5 publications

(3 citation statements)

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“…The estimation in the present study agrees with the results obtained by Powell et al . (2008) and the rule of the Japanese Imperial Army and is lower than results obtained by Hadrill (2002). Estimation by the RDA Japan, which is between 16% and 17%, is much lower than our estimation, probably because of the consideration for safety of both the disabled rider and the side‐walker who helps the rider from both sides of the horse.…”

Section: Discussionmentioning

confidence: 53%

“…According to the RDA Japan, the optimum weight that a horse can be loaded with safely is 16% to 17% of the body weight of the horse, although the reason is not given. On the other hand, Hadrill (2002) suggested that a pack animal could safely carry a third to half of its own weight for several hours if the animal was in a reasonable condition. The Japanese Imperial Army had a rule of criterion of load for a packed horse, that is, one-third of the horses' body weight.…”

Section: Introductionmentioning

confidence: 99%

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Method for estimating maximum permissible load weight for Japanese native horses using accelerometer‐based gait analysis

Matsuura

Irimajiri

Matsuzaki

et al. 2012

Animal Science Journal

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The aim of this study was to establish a method for estimating loading capacity for Japanese native horses by gait analysis using an accelerometer. Six mares of Japanese native horses were used. The acceleration of each horse was recorded during walking and trotting along a straight course at a sampling frequency of 200 Hz. Each horse performed 12 tests: one test with a loaded weight of 80 kg (First 80 kg) followed by 10 tests with random loaded weights between 85 kg and 130 kg and a final test with a loaded weight of 80 kg again. The time series of acceleration was subjected to fast Fourier transformation, and the autocorrelation coefficient was calculated. The first two peaks of the autocorrelation were defined as symmetry and regularity of the gait. At trot, symmetries in the 100, 110, and 125 kg tests were significantly lower than that in First 80 kg (P < 0.05, by analysis of covariance and Sidak's test). These results imply that the maximum permissible load weight is less than 100 kg, which is 29% of the body weight of Japanese native horses. Our method is a widely applicable and welfare-friendly method for estimating maximum permissible load weights of horses.

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Section: Discussionmentioning

confidence: 53%

Section: Introductionmentioning

confidence: 99%

Method for estimating maximum permissible load weight for Japanese native horses using accelerometer‐based gait analysis

Matsuura

Irimajiri

Matsuzaki

et al. 2012

Animal Science Journal

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“…The load-bearing capacity of horses is estimated at 33-50% of their bodyweight (Hadrill 2002). However, these values have little scientific basis, and only five studies of this nature have been reported so far.…”

Section: Introductionmentioning

confidence: 99%

Maximum permissible load for Kiso horses trotting over a short, straight course

Matsuura

Inoue

Irimajiri

et al. 2017

Animal Science Journal

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This study aimed to determine the load-bearing capacity of trotting Kiso horses using gait analysis. Ten Kiso horses with a height at withers of 128 cm were included. Their riders were fitted with a marker (70 mm in diameter placed on their chest) recorded by two digital DVD cameras while trotting along a short, straight course. In total, eight tests were performed for each horse: the first with a 70 kg load; six with randomly loaded weights ranging 80-130 kg; and then a final test again with a 70 kg load. Three-dimensional movement of the marker was analyzed using a motion capture system. The time series of vertical displacement of the marker underwent spectrum analysis by the maximum entropy method, and the autocorrelation coefficient was calculated. The first two peaks of the autocorrelation were defined as symmetry and regularity, and their sum was defined as stability. Regularity in the 120 kg test (0.54) was lower than that in the first 70 kg test (0.61), and stability in the 120 kg test (1.31) was lower than that in the first 70 kg test (1.42). We concluded that the maximum permissible load for a trotting Kiso horse is < 120 kg, which represents 31% of its bodyweight.

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Equine histoplasmosis: Treatment trial in cart horses in Central Ethiopia

Hadush

Ameni

Medhin

2007

Trop Anim Health Prod

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Therapeutic effects of Sodium Iodide (NaI), Potassium Iodide (KI), ground berries of "Endod" (Phytolacca dodecandra) and Penstrip were evaluated on 70 cases of equine hitoplasmosis (EH). Response to each treatment was assessed using clinical examination of the lesions. Statistically significant difference (P = 0.0036) in therapeutic effect was observed among the different remedies. Cases treated either with a combination of NaI and Penstrip (F = 6.34, P = 0.004) or "Endod" and Penstrip (F = 3.64, P = 0.031) demonstrated significant response. The difference in response to treatment between early and advanced cases of EH was statistically significant (t = 2.22, P = 0.0148).

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Horse Healthcare

Cited by 5 publications

References 0 publications

Method for estimating maximum permissible load weight for Japanese native horses using accelerometer‐based gait analysis

Method for estimating maximum permissible load weight for Japanese native horses using accelerometer‐based gait analysis

Maximum permissible load for Kiso horses trotting over a short, straight course

Equine histoplasmosis: Treatment trial in cart horses in Central Ethiopia

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