Morphometric measurements of the fertile quail egg (Coturnix coturnix japonica) on chick weight at one-day old
The aim of this study was to relate morphometric measurements of the Coturnix coturnix japonica quail egg with the weight at birth in a commercial line of laying. In total, 274 birds were evaluated at one-day old, whose fertile eggs were classified into three categories according to weight: (1) 10.00-10.99, (2) 11.00-11.99, (3) 12.00-12.99 g for the variable birth weight, while the variables: transverse diameter and longitudinal diameter of the egg, and shape index were evaluated according to quartiles. In addition, the sex of the bird was evaluated. A completely randomized block model and correlations between the quantitative variables were used. A mean correlation of 0.65 was obtained between egg weight and longitudinal diameter, and low correlations between the variables longitudinal and transverse diameter (0.15). The birth weight was 7.36 ± 0.038, 7.92 ± 0.036 and 8.47 ± 0.058 g in categories 1, 2 and 3, respectively, and 7.83 ± 0.0672, 7.81 ± 0.0681, 7.69 ± 0.0665 and 7.85 ± 0.0682 g in quartiles 1, 2, 3 and 4, respectively. The egg shape index was 70.22 ± 0.321%. The weight of the male quail was 7.84 ± 0.0347 and in females it was 8.00 ± 0.0358 (p<0.05). The transverse and longitudinal diameter of the egg makes it possible to visually select a hatching egg, the transverse diameter being the most precise, since heavy quail at birth is not required.
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Universidad Nacional Mayor de San Marcos, Facultad de Medicina Veterinaria
2021
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Nuñez D., Jimny Fuentes N., Nadia Yamada A., Graciela Bazán R., Víctor Antúnez Á., Steven Rivadeneira, Virginia Trillo Z., Fritz Ciriaco C., Pedro Gutierrez T., Marco Gallardo V., Connie |
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Nuñez D., Jimny Fuentes N., Nadia Yamada A., Graciela Bazán R., Víctor Antúnez Á., Steven Rivadeneira, Virginia Trillo Z., Fritz Ciriaco C., Pedro Gutierrez T., Marco Gallardo V., Connie Morphometric measurements of the fertile quail egg (Coturnix coturnix japonica) on chick weight at one-day old |
| author_facet |
Nuñez D., Jimny Fuentes N., Nadia Yamada A., Graciela Bazán R., Víctor Antúnez Á., Steven Rivadeneira, Virginia Trillo Z., Fritz Ciriaco C., Pedro Gutierrez T., Marco Gallardo V., Connie |
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Nuñez D., Jimny |
| title |
Morphometric measurements of the fertile quail egg (Coturnix coturnix japonica) on chick weight at one-day old |
| title_short |
Morphometric measurements of the fertile quail egg (Coturnix coturnix japonica) on chick weight at one-day old |
| title_full |
Morphometric measurements of the fertile quail egg (Coturnix coturnix japonica) on chick weight at one-day old |
| title_fullStr |
Morphometric measurements of the fertile quail egg (Coturnix coturnix japonica) on chick weight at one-day old |
| title_full_unstemmed |
Morphometric measurements of the fertile quail egg (Coturnix coturnix japonica) on chick weight at one-day old |
| title_sort |
morphometric measurements of the fertile quail egg (coturnix coturnix japonica) on chick weight at one-day old |
| description |
The aim of this study was to relate morphometric measurements of the Coturnix coturnix japonica quail egg with the weight at birth in a commercial line of laying. In total, 274 birds were evaluated at one-day old, whose fertile eggs were classified into three categories according to weight: (1) 10.00-10.99, (2) 11.00-11.99, (3) 12.00-12.99 g for the variable birth weight, while the variables: transverse diameter and longitudinal diameter of the egg, and shape index were evaluated according to quartiles. In addition, the sex of the bird was evaluated. A completely randomized block model and correlations between the quantitative variables were used. A mean correlation of 0.65 was obtained between egg weight and longitudinal diameter, and low correlations between the variables longitudinal and transverse diameter (0.15). The birth weight was 7.36 ± 0.038, 7.92 ± 0.036 and 8.47 ± 0.058 g in categories 1, 2 and 3, respectively, and 7.83 ± 0.0672, 7.81 ± 0.0681, 7.69 ± 0.0665 and 7.85 ± 0.0682 g in quartiles 1, 2, 3 and 4, respectively. The egg shape index was 70.22 ± 0.321%. The weight of the male quail was 7.84 ± 0.0347 and in females it was 8.00 ± 0.0358 (p<0.05). The transverse and longitudinal diameter of the egg makes it possible to visually select a hatching egg, the transverse diameter being the most precise, since heavy quail at birth is not required. |
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Universidad Nacional Mayor de San Marcos, Facultad de Medicina Veterinaria |
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2021 |
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https://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/21694 |
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oai:ojs.csi.unmsm:article-216942021-12-23T13:59:55Z Morphometric measurements of the fertile quail egg (Coturnix coturnix japonica) on chick weight at one-day old Medidas morfométricas del huevo fértil de codorniz (Coturnix coturnix japonica) sobre el peso al nacimiento Nuñez D., Jimny Fuentes N., Nadia Yamada A., Graciela Bazán R., Víctor Antúnez Á., Steven Rivadeneira, Virginia Trillo Z., Fritz Ciriaco C., Pedro Gutierrez T., Marco Gallardo V., Connie egg diameter shape index birth weight posture sex diámetro del huevo índice de forma peso al nacimiento postura sexo The aim of this study was to relate morphometric measurements of the Coturnix coturnix japonica quail egg with the weight at birth in a commercial line of laying. In total, 274 birds were evaluated at one-day old, whose fertile eggs were classified into three categories according to weight: (1) 10.00-10.99, (2) 11.00-11.99, (3) 12.00-12.99 g for the variable birth weight, while the variables: transverse diameter and longitudinal diameter of the egg, and shape index were evaluated according to quartiles. In addition, the sex of the bird was evaluated. A completely randomized block model and correlations between the quantitative variables were used. A mean correlation of 0.65 was obtained between egg weight and longitudinal diameter, and low correlations between the variables longitudinal and transverse diameter (0.15). The birth weight was 7.36 ± 0.038, 7.92 ± 0.036 and 8.47 ± 0.058 g in categories 1, 2 and 3, respectively, and 7.83 ± 0.0672, 7.81 ± 0.0681, 7.69 ± 0.0665 and 7.85 ± 0.0682 g in quartiles 1, 2, 3 and 4, respectively. The egg shape index was 70.22 ± 0.321%. The weight of the male quail was 7.84 ± 0.0347 and in females it was 8.00 ± 0.0358 (p<0.05). The transverse and longitudinal diameter of the egg makes it possible to visually select a hatching egg, the transverse diameter being the most precise, since heavy quail at birth is not required. El estudio tuvo como objetivo relacionar medidas morfométricas del huevo de codorniz Coturnix coturnix japonica con el peso al nacimiento en una línea comercial de postura. Se evaluaron 274 aves al nacimiento, cuyos huevos fértiles fueron clasificados en tres categorías según el peso: (1) 10.00-10.99, (2) 11.00-11.99, (3) 12.00-12.99 g para la variable peso al nacimiento, mientras que las variables: diámetro transversal y diámetro longitudinal del huevo, índice de forma fueron evaluadas según cuartiles. Además se evaluó el sexo del ave. Se utilizó un modelo de bloques completamente al azar y correlaciones entre las variables cuantitativas. Se obtuvo una correlación media de 0.65 entre peso del huevo y diámetro longitudinal, y correlaciones bajas entre las variables diámetro longitudinal y transversal (0.15). El peso al nacimiento fue de 7.36±0.038, 7.92±0.036 y 8.47±0.058 g en las categorías 1, 2 y 3, respectivamente y de 7.83±0.0672, 7.81±0.0681, 7.69±0.0665 y 7.85±0.0682 g en los cuartiles 1, 2, 3 y 4, respectivamente. El índice de forma del huevo fue 70.22±0.321%. El peso de las codornices macho fue 7.84±0.0347 y en hembras de 8.00±0.0358 (p<0.05). El diámetro transversal y longitudinal del huevo permite seleccionar visualmente un huevo incubable, siendo el diámetro transversal el más preciso, debido a que no se quieren codornices pesadas al nacimiento. Universidad Nacional Mayor de San Marcos, Facultad de Medicina Veterinaria 2021-12-22 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/article application/pdf https://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/21694 10.15381/rivep.v32i6.21694 Revista de Investigaciones Veterinarias del Perú; Vol. 32 No. 6 (2021); e21694 Revista de Investigaciones Veterinarias del Perú; Vol. 32 Núm. 6 (2021); e21694 1682-3419 1609-9117 spa https://revistasinvestigacion.unmsm.edu.pe/index.php/veterinaria/article/view/21694/17442 Derechos de autor 2021 Jimny Nuñez D., Nadia Fuentes N., Graciela Yamada A., Víctor Bazán R., Steven Antúnez Á., Virginia Rivadeneira, Fritz Trillo Z., Pedro Ciriaco C., Marco Gutierrez T., Connie Gallardo V. http://creativecommons.org/licenses/by/4.0 |