Comparação entre as medidas morfométricas de equinos Mangalarga Marchador de marcha batida e marcha picada

Santiago, Juliano Martins; Rezende, Adalgiza Souza Carneiro de; Lana, Ângela Maria Quintão; Fonseca, Mayara Gonçalves; Abrantes, RP; Lage, Josiane Fonseca; Andrade, Juliana Moreira; Resende, Thiago Magalhães

doi:10.1590/1678-41626870

Cited by 14 publications

(9 citation statements)

References 4 publications

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“…Although the linear measurements and angles may determine the type of movement horses are able to perform (Harris, 1993), marchas batida and picada are related to the movement that differentiates the gait of animals in each category (Santiago et al, 2014). For that reason, the number of contests with a correlation between morphology and gait was expected to be similar for both types of marcha since the evaluation methodology applied was the same.…”

Section: Discussionmentioning

confidence: 99%

Effectiveness of the morphofunctional evaluation method of Campolina and Mangalarga Marchador breeds

et al. 2018

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This study aimed to verify whether the criterion of exhibition contests adopted for Campolina and Mangalarga Marchador breeds has been successful in recent years, i.e., if the subsequent generations have the morphology recommended by the standard of the breed allied with high-quality marcha, a four-beat ambling gait. The classifications achieved by each horse during national horse shows in morphology and gait contests underwent Spearman's correlation to verify the number of contests with a correlation between the classifications in the two judgments and those with no correlation. Next, the number of contests with or without such correlation underwent a frequency distribution test considering the variables breed, year, age, marcha category, and sex. Spearman's correlation coefficient (r) of contests with a correlation was also used as a parameter. A difference was observed among years of evaluation only for Mangalarga Marchador horses, with a greater number of contests with correlations between morphological and ambling gait performances between 1998 and 2004. On both breeds, the correlation was found in more contests among foals than adult horses. When Spearman's correlation coefficients were compared, Campolina contests exhibited a higher r than Mangalarga Marchador, 68.14 and 63.68%, respectively. Only Mangalarga Marchador males had higher r value than females, 67.27 and 59.73%, respectively. The contest criterion adopted by Campolina and Mangalarga Marchador associations to select superior individuals does not correlate, in subsequent generations, with the morphology recommended by the standard of the breeds with high-quality marcha progress in the same individuals.

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Section: Discussionmentioning

confidence: 99%

Effectiveness of the morphofunctional evaluation method of Campolina and Mangalarga Marchador breeds

et al. 2018

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“…Although, there are specific conformation patterns for gait in relation to breeds, some marcha breeds still have varying conformation patterns (STAIGER et al, 2016). SANTIAGO et al (2014) when evaluating linear and angular measurements of adult MM also reported a difference between gender and type of marcha related to limb flexion, length and frequency of strides. These findings corroborate that the differences in conformation may have occurred due to the different type of gait.…”

Section: Resultsmentioning

confidence: 99%

“…The selection of the MM breed gave the animals a smaller head, shorter body length, a larger diameter of the bone rays and an increase in the size of these animals within the standard values of the breed (PINTO et al, 2005). However, similarities and differences in conformation within the race can be noticed in relation to gender and type of marcha, especially regarding measurements related to limb flexion, frequency, and stride length (SANTIAGO et al, 2014). Similarly, it is assumed that differences may also occur that explain the total variance in different age groups due to the maturity of certain body regions in relation to others during different growth phases of the horse.…”

Section: Introductionmentioning

confidence: 99%

Principal component analysis of linear measures of young horses national champions of Mangalarga Marchador breed

et al. 2020

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The conformation is directly related to the quality of the movements, and can direct the selection by equine aptitude. This study aimed to identify which are the morphometric measurements that explain the total variance available in the marcha batida and picada gaits of young Mangalarga Marchador horses. Analyses were performed by evaluating 20 linear measurements of 420 champion horses. Measures were separated by gender (male-M and female-F), type of marcha, (batida-MB e picada-MP) and divided into eight age groups. Principal component analysis (PCA) was used to identify which measurements were most important in determining marcha variance by selecting principal component (PC) which sum of eigenvalues was able to explain the minimum percentage of 80% of the total variation. The PC number varied randomly according to age groups, being 2 to 3 in both genders in MP, 3 to 4 for M-MB, and up to 5 for F-MB, suggesting lower overall variability in MP, and higher in F-MB. There was no defined pattern concerning the amount of PC per age group, demonstrating that each category may have independent variations. Although, some repetitions of variables occurred similarly in different ages, sexes, and marcha types, the responsibility for the highest occurrence of variation was the posterior cannon and gaskin length. The significant variance in the length of these segments, regardless of gender, age, and marcha, and the fact they are not measured daily suggested there is not only a lack of standardization of these segments, but there is also size compensation among them since the group evaluated is composed of breed champions.

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“…Thus, these animals are enrolled in marcha batida categories when young because, through training with specific rhythm and commands, they are able to execute the marcha with a prevalence of diagonal bipedal support. However, when these horses reach adulthood, if the breeders foresee higher chances of victory in marcha picada categories, the animals are conditioned to compete with marcha featuring proportions of closer diagonal and lateral bipedal support (Santiago et al, 2014b).…”

Section: Discussionmentioning

confidence: 99%

Participation frequency and performance of horses in national shows of Campolina and Mangalarga Marchador breeds

et al. 2019

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This study aimed to determine the participation frequency and competitive performance of Campolina and Mangalarga Marchador horses in national shows concerning marcha type, sex, and age. To that end, the trial results of national horse shows between 2007 and 2017, comprising 1,781 Campolina and 5,239 Mangalarga Marchador animals, were extracted from the databases of the breeders' associations of each breed. The results regarding participation frequency in these events and the performance achieved by horses were grouped by breed, marcha type, sex, and age group and then subjected to frequency distribution tests. In both breeds, most animals attended only one national show. However, when the specimens were separated by marcha type, sex, and age, it was observed that 54.39% of marcha batida Campolina males competed twice, with greater participation of adult horses (41.41%) than of young ones (22.22%). For Mangalarga Marchador, irrespective of gait type, the proportion of adult horses (67.22%) that competed was higher than that of young ones (25.63%). For marcha picada competitors, the proportion between young (13.97%) and adult (81.91%) was even higher. It was concluded that, over their competitive careers, most horses of either breed attended only one national show, that marcha picada animals usually compete only when adults, and that marcha batida females compete more often when young. In addition, the age group in which competitors achieve their best performances varies according to the specimen.

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Comparação entre as medidas morfométricas de equinos Mangalarga Marchador de marcha batida e marcha picada

Cited by 14 publications

References 4 publications

Effectiveness of the morphofunctional evaluation method of Campolina and Mangalarga Marchador breeds

Effectiveness of the morphofunctional evaluation method of Campolina and Mangalarga Marchador breeds

Principal component analysis of linear measures of young horses national champions of Mangalarga Marchador breed

Participation frequency and performance of horses in national shows of Campolina and Mangalarga Marchador breeds

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