Morphometric measurements and zootechnical indices of the Pantanal in race horses of different ages and gender.
Abstract: The aim of this study was to perform linear measurements and assess morphometric indices of equines of the Pantanal race of different ages in the municipality of Poconé-Mato Grosso. Fifty-seven clinically healthy male and female horses between 1 and 19 years of age were selected and divided into groups by sex: 41 animals males and 17 animals femeles, and age groups: group 1 (nine animals up to 12 months of age), group 2 (eight animals from 12 to 24 months), group 3 (15 animals from 24 to 48 months), and group 4 (27 animals older than 48 months). With the aid of a hypometer, the following linear measures were carried out: height at the withers and croup, and body length. The thoracic circumference and cinnamon were measured with a tape. From these measures, the following zootechnical indices were calculated: estimated weight, relationship between height at the whithers and height at the croup (RHC), dactyl thoracic (DTI), body index (BI), forming index (FI), load index 1 (LI1), load index 2 (LI2), body relative index (BRI), compactness index 1 (COI1), compactness index 2 (COI2), load index in cinnamon (LIC). In general, horses of the Pantanal breed are hipometric and longilinear; only the adult group of animals were mediolinear, with a good relationship between the withers and croup. They can be used with a saddle or take traction, with the ability to move their limbs slowing down with age. An influence of sex and age on the analyzed variables was observed.
Publication Date: 2019-05-11 PubMed ID: 31079335DOI: 10.1007/s11250-019-01910-5Google Scholar: Lookup
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Summary
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This research article studies the physical measurements and indices, also known as morphometrics and zootechnical indices, respectively, of Pantanal race horses of varying ages and genders in Poconé-Mato Grosso.
Study Setup
- The researchers selected a total of 57 healthy male and female horses aged between 1 and 19 years.
- The horses were divided based on their gender: 41 were male and 17 were female.
- They were also categorised into four age groups: those aged 12 months or less, 12 to 24 months old, 24 to 48 months old, and over 48 months old.
Measurements and Calculations
- With the help of a hypometer, the researchers conducted linear measurements such as height at the withers and croup, and body length.
- They measured the thoracic circumference and cinnamon (a measurement related to the horse’s leg) using a tape.
- These measurements were then used to calculate zootechnical indices such as estimated weight, the relationship between height at the withers and croup, dactyl thoracic, body index, forming index, load index 1 and 2, body relative index, compactness index 1 and 2, and load index in cinnamon.
Observations and Findings
- The researchers found that Pantanal race horses are generally hipometric (meaning they have long legs in proportion to their bodies) and longilinear (having a body longer than it is wide).
- Only the adult group of horses were mediolinear, having a good proportion between their withers and croup, implying an equal height at the shoulders and hindquarters.
- The researchers also found that these horses are suitable for riding or pulling loads, whose capacity to move their limbs slows down as they age.
- The study concluded that both the horses’ sex and age influenced the variables analyzed.
Cite This Article
APA
Luiz MA, Senna D, Padilha FGF, Nogueira WA, Fonseca AB, de Mello MFV, Ferreira AMR.
(2019).
Morphometric measurements and zootechnical indices of the Pantanal in race horses of different ages and gender.
Trop Anim Health Prod, 51(8), 2145-2151.
https://doi.org/10.1007/s11250-019-01910-5 Publication
Researcher Affiliations
- Programa de Pós-Graduação em Medicina Veterinária em Clínica e Reprodução Animal, Universidade Federal Fluminense, Rua Vital Brasil Filho, 64, Santa Rosa, Niterói, RJ, CEP 24230-340, Brazil. malzvet@gmail.com.
- Programa de Pós-Graduação em Medicina Veterinária em Clínica e Reprodução Animal, Universidade Federal Fluminense, Rua Vital Brasil Filho, 64, Santa Rosa, Niterói, RJ, CEP 24230-340, Brazil.
- Programa de Pós-Graduação em Medicina Veterinária em Clínica e Reprodução Animal, Universidade Federal Fluminense, Rua Vital Brasil Filho, 64, Santa Rosa, Niterói, RJ, CEP 24230-340, Brazil.
- Programa de Pós-Graduação em Medicina Veterinária em Clínica e Reprodução Animal, Universidade Federal Fluminense, Rua Vital Brasil Filho, 64, Santa Rosa, Niterói, RJ, CEP 24230-340, Brazil.
- Instituto de Matemática e Estatística, Universidade Federal Fluminense, Rua Mario Santos Braga s/n, Centro, Niterói, RJ, CEP 24020-140, Brazil.
- Instituto de Matemática e Estatística, Universidade Federal Fluminense, Rua Mario Santos Braga s/n, Centro, Niterói, RJ, CEP 24020-140, Brazil.
- Instituto de Matemática e Estatística, Universidade Federal Fluminense, Rua Mario Santos Braga s/n, Centro, Niterói, RJ, CEP 24020-140, Brazil.
MeSH Terms
- Age Factors
- Animals
- Biometry
- Breeding
- Female
- Horses / anatomy & histology
- Male
Grant Funding
- 001 / CAPES
References
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