Associação entre medidas lineares e angulares de equinos da raça Mangalarga Marchador

Lage, Maria Coeli Gomes Reis; Bergmann, J.R.; Procópio, A.M.; Pereira, Jonas Carlos Campos; Biondini, J

doi:10.1590/s0102-09352009000400027

Cited by 24 publications

(27 citation statements)

References 9 publications

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“…Values above that found in the current herd were reported by all studies investigated (BARBOSA, 1993;ZAMBORLINI et al, 1996;REZENDE JÚNIOR, 2005;MEDEIROS, 2006;LAGE et al, 2009;and GONÇALVES et al, 2012). A similar result was obtained for the thoracic circumference in females.…”

Section: Resultssupporting

confidence: 89%

“…This reduction occurred throughout the period assessed and the lowest value was observed between 2005 and 2010 (52.4 cm). In other studies, this measure ranged from 54.0 to 59.0 cm (BARBOSA, 1993;ZAMBORLINI et al, 1996;LAGE et al, 2009, andGONÇALVES et al, 2012).…”

Section: Resultsmentioning

confidence: 91%

“…Only the ABCCMM (2005) report found croup length below 51.1 cm. The other studies reported measures between 52.0 cm and 55.0 cm (BARBOSA, 1993;ZAMBORLINI et al, 1996;LAGE et al, 2009;and GONÇALVES et al, 2012). However, the proportion between this measure and head length varied little between 1970 and 2010.…”

Section: Resultsmentioning

confidence: 92%

“…Both begin after the withers, however, one ends at the iliac tuberosity (BARBOSA, 1993;ZAMBORLINI, et al 1996;LAGE et al, 2009;and GONÇALVES et al, 2012) while the other goes a little further, until the sacral tuberosity (CLAYTON, 2004). The way ABCCMM's registration technicians measure back length likely changed, which justifies the significant reduction in this measure between the 1970s and 1980s.…”

Section: Resultsmentioning

confidence: 99%

“…The measures were taken from the database of the Genealogic Registry Service of the Brazilian Height, length, and width were measured using a hipometer while the circumferences were measured with a measuring tape. According to Zamborlini et al (1996), Lage et al (2009), andGonçalves et al (2012), the measures assessed were measured as follows:…”

Section: Methodsmentioning

confidence: 99%

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Evolution of Morphometric Measures in the Mangalarga Marchador Breed

et al. 2016

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-The Mangalarga Marchador breed accounts for the largest horse herd in Brazil and has been experiencing national and international expansion. Nevertheless, there is little scientific production on the evolution of this breed and there are no studies on the morphometric transformations that took place during its formation. In this context, the present study aimed to assess the evolution in morphometric measures of the Mangalarga Marchador breed between 1970 and 2010. The research used information archived at the Brazilian Association of Mangalarga Marchador Breeders from 23,148 males and 92,980 females in a completely randomized experimental design. The six treatments consisted of the animals measured between 1970 and 1979, 1980 and 1989, 1990 and 1994, 1995 and 1999, 2000 and 2004, and 2005 and 2010, respectively. The measures assessed were: height at withers and croup, length of the head, neck, back, croup, shoulder, and body, width of the head and croup, thoracic circumference, and cannon circumference Over the period analyzed, males and females experienced a reduction in thoracic circumference, in the lengths of the head, back, croup, and shoulder, and in the widths of the head and croup. In the males, neck length and cannon circumference also decreased, while body length increased in females. Over time, breed selection led to smaller head, higher stature, and shorter trunk length. However, important measures for the breed's functionality, such as shoulder length and thoracic circumference, decreased.Keywords: Height. Length. Horses. Width. Circumference. EVOLUÇÃO DAS MEDIDAS MORFOMÉTRICAS DA RAÇA MANGALARGA MARCHADORRESUMO -A raça Mangalarga Marchador é responsável pelo maior rebanho de equinos do país e tem alcançado crescente expansão nacional e internacional. Apesar disso, é escassa a produção científica sobre a evolução dessa raça e não existem estudos sobre as transformações morfométricas que ocorreram ao longo de sua formação. Neste contexto, o presente estudo objetivou avaliar a evolução das medidas morfométricas da raça Mangalarga Marchador entre 1970 e 2010. Foram utilizadas informações arquivadas na Associação Brasileira dos Criadores do Cavalo Mangalarga Marchador de 23148 machos e 92980 fêmeas, em delineamento experimental inteiramente ao acaso. Os seis tratamentos foram constituídos pelos animais mensurados de 1970 a 1979, 1980 a 1989, 1990 a 1994, 1995 a 1999, 2000 a 2004 e 2005 a 2010, respectivamente. As medidas avaliadas foram: alturas na cernelha e garupa, comprimentos da cabeça, pescoço, dorso-lombo, garupa, espádua e corpo, larguras da cabeça e da garupa, além de perímetros torácico e da canela. Ao longo do período avaliado observou-se nos machos e fêmeas redução do perímetro torácico, dos comprimentos da cabeça, dorso-lombo, garupa e espádua e das larguras de cabeça e garupa. Nos machos houve também redução no comprimento do pescoço e aumento no perímetro da canela. Nas fêmeas verificou-se aumento no comprimento do corpo. Ao longo do tempo, a seleção da raça conferiu aos anim...

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Section: Resultssupporting

confidence: 89%

Section: Resultsmentioning

confidence: 91%