Comparison of body dimensions between normal and double muscled Senepol heifers
Comparación de diversas dimensiones corporales entre novillas Senepol de musculatura normal y sus contemporáneas de musculatura doble heterocigota
| dc.creator | Sánchez, Héctor | |
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| dc.date | 2017-01-01 | |
| dc.identifier | https://revistas.upr.edu/index.php/jaupr/article/view/14291 | |
| dc.identifier | 10.46429/jaupr.v101i1.14291 | |
| dc.description | Different body dimensions were compared between 16 normally muscled (NM) and 16 heterocygous double muscled (DM) Senepol heifers. Body weight (BW), withers height (WH), hip height (HH), thorarcic perimeter (TP), barrel (BA), shoulder to pin bone distance (SPD), and the internal pelvic width (PW), height (PH), and area (PA) were recorded in each heifer. Also included were the relationships of BW/body dimensions, except for dimensions PW and PH. Data were analyzed by the GLIMMIX and CORR procedures of SAS. The respective genotypes MN and DM did not differ (P>0.10) in BW (415 and 434 kg), WH (both 113 cm), HH (both 120 cm), TP (both 175 cm), B A (209 and 214 cm), B W/B A (1.99 and 2.03 kg/cm), SPD (both 147 cm), PW (both 13 cm), PA (212 and 220 cm2), and BW/PA (1.96 and 1.98 kg/cm2). However, DM heifers tended to present (P<0.10) higher values than NM heifers for BW/WH, BW/HH, BW/SPD, and PH by margins of 0.14 kg/cm, 0.15 kg/cm, 0.12 kg/cm, and 0.59 cm, respectively. Moreover, the BW/TP value was 0.09 kg/cm greater (P<0.05) in the DM than in NM heifers. The correlations between different pairs of body dimensions were lower in the DM than in the NM heifers. These results suggest that the enhanced musculature visually observed in DM heifers must be accompanied by hypotrophy of other body organs and tissues, but not including the pelvic region. This compensatory effect minimizes the posibility of observing differences in body dimensions in vivo between DM and NM heifers. | en-US |
| dc.description | Se compararon diferentes dimensiones corporales in vivo entre novillas Senepol de musculatura normal (MN; n=16) y sus contemporáneas heterocigotas para musculatura doble (DM; n=16). Se determinó el peso vivo (PV) y las dimensiones altura a la cruz (ACR), altura a la cadera (ACA), perímetro torácico (PTO), barril (BA), distancia entre el hombro y la punta del anca (DHA), así como el ancho (ANP), alto (ALP) y área (ARP) internos pélvicos en cada novilla. Se incluyó también la relación del PV sobre cada dimensión corporal, excepto ANP y ALP. Se analizaron los datos mediante los procedimientos GLIMMIX y CORR en SAS. Los respectivos genotipos MN y DM resultaron similares (P>0.10) en PV (415 y 434 kg), ACR (113 cm ambos), ACA (120 cm ambos), PTO (175 cm ambos), BA (209 y 214 cm), PV/BA (1.99 y 2.03 kg/cm), DHA (147 cm ambos), ANP (13 cm ambos), ARP (212 y 220 cm2) y PV/ARP (1.96 y 1.98 kg/cm2). Sin embargo, las novillas DM tendieron a presentar valores de PV/ACR, PV/ACA, PV/DHA y ALP mayores (P<0.10) que las MN por respectivos márgenes de 0.14 kg/cm, 0.15 kg/cm, 0.12 kg/cm y 0.59 cm. Mientras, la relación PV/PTO fue 0.09 kg/cm mayor (P<0.05) en las novillas DM. Los distintos pares de medidas corporales presentaron menor correlación entre sí en las novillas DM que en las MN. Estos resultados sugieren que la mayor musculatura visualmente observada en las novillas DM debe venir acompañada de hipotrofia en otros órganos y tejidos, sin incluir entre ellos el canal pélvico. Este efecto compensativo minimizaría la posibilidad de observar diferencias en medidas corporales in vivo entre novillas DM y MN. | es-ES |
| dc.format | application/pdf | |
| dc.language | spa | |
| dc.publisher | University of Puerto Rico Mayagüez Campus Agricultural Experiment Station | en-US |
| dc.relation | https://revistas.upr.edu/index.php/jaupr/article/view/14291/11882 | |
| dc.rights | Derechos de autor 2018 Journal of Agriculture of the University of Puerto Rico. (Etapa III) | es-ES |
| dc.source | The Journal of Agriculture of the University of Puerto Rico; Vol. 101 No. 1 (2017): Vol. 101, No. 1, January 2017; 17-34 | en-US |
| dc.source | Journal of Agriculture of the University of Puerto Rico; Vol. 101 Núm. 1 (2017): Vol. 101, No. 1, January 2017; 17-34 | es-ES |
| dc.source | 2308-1759 | |
| dc.source | 0041-994X | |
| dc.source | 10.46429/jaupr.v101i1 | |
| dc.subject | Senepol | en-US |
| dc.subject | Double musculature | en-US |
| dc.subject | Body dimensions | en-US |
| dc.subject | Heifers--Puerto Rico | en-US |
| dc.subject | Cattle--Puerto Rico | en-US |
| dc.subject | Cattle--Anatomy | en-US |
| dc.title | Comparison of body dimensions between normal and double muscled Senepol heifers | en-US |
| dc.title | Comparación de diversas dimensiones corporales entre novillas Senepol de musculatura normal y sus contemporáneas de musculatura doble heterocigota | es-ES |
| dc.type | info:eu-repo/semantics/article | |
| dc.type | info:eu-repo/semantics/publishedVersion |