Stocking density and productive traits in an experimental three way cross of free range chicken
Campero chicken represents a productive alternative within the framework of semi-intensive poultry systems that seek to preserve animal welfare. The production protocol establishes restrictions linked to management strategies, among which is the maximum stocking density of birds allowed per unit area. The aim of this work was to evaluate the effect of the stocking density on the dynamic growth pattern, the uniformity by precision of body weight, the body conformation and the slaughter traits in male chickens of the experimental three way cross Campero Casilda. Birds were bred as a single group, in confinement, until 35 days, when they were randomly distributed in three treatments: Low Density: 6 birds / m2 (21 kg / m2), Recommended Density: 7 birds / m2 (24.5 kg / m2) and High Density: 8 birds / m2 (28 kg / m2) and access to the park was enabled until slaughter at 84 days. Within the limits tested in this work, neither the decrease in thedensity indicated by the protocol of production of Campero chickens, in search of greater welfare, nor its increase, in search of greater profitability, significantly affect body growth evaluated from the dynamic pattern of body weight and the record of conformation indicators based on linear measurements. Neither body weight uniformity nor theproportion of valuable cuts of butcher interest, abdominal fat content and carcass yield at slaughter, of Campero Casilda males, were affected. The evidence shows that the increase of stocking density does not produce detrimental effects on those traits of greater economic importance, in particular, body weight and traits at slaughter, for what a modification in this sense could be introduced in the protocol tending to favor the economic return in productive enterprises
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Antruejo, Alejandra Edith Savoy, Juan Pablo Perrotta, Cristian Hernán Canet, Zulma Edith Dottavio, Ana María Di Masso, Ricardo Jose |
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Antruejo, Alejandra Edith Savoy, Juan Pablo Perrotta, Cristian Hernán Canet, Zulma Edith Dottavio, Ana María Di Masso, Ricardo Jose Stocking density and productive traits in an experimental three way cross of free range chicken |
| author_facet |
Antruejo, Alejandra Edith Savoy, Juan Pablo Perrotta, Cristian Hernán Canet, Zulma Edith Dottavio, Ana María Di Masso, Ricardo Jose |
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Antruejo, Alejandra Edith |
| title |
Stocking density and productive traits in an experimental three way cross of free range chicken |
| title_short |
Stocking density and productive traits in an experimental three way cross of free range chicken |
| title_full |
Stocking density and productive traits in an experimental three way cross of free range chicken |
| title_fullStr |
Stocking density and productive traits in an experimental three way cross of free range chicken |
| title_full_unstemmed |
Stocking density and productive traits in an experimental three way cross of free range chicken |
| title_sort |
stocking density and productive traits in an experimental three way cross of free range chicken |
| description |
Campero chicken represents a productive alternative within the framework of semi-intensive poultry systems that seek to preserve animal welfare. The production protocol establishes restrictions linked to management strategies, among which is the maximum stocking density of birds allowed per unit area. The aim of this work was to evaluate the effect of the stocking density on the dynamic growth pattern, the uniformity by precision of body weight, the body conformation and the slaughter traits in male chickens of the experimental three way cross Campero Casilda. Birds were bred as a single group, in confinement, until 35 days, when they were randomly distributed in three treatments: Low Density: 6 birds / m2 (21 kg / m2), Recommended Density: 7 birds / m2 (24.5 kg / m2) and High Density: 8 birds / m2 (28 kg / m2) and access to the park was enabled until slaughter at 84 days. Within the limits tested in this work, neither the decrease in thedensity indicated by the protocol of production of Campero chickens, in search of greater welfare, nor its increase, in search of greater profitability, significantly affect body growth evaluated from the dynamic pattern of body weight and the record of conformation indicators based on linear measurements. Neither body weight uniformity nor theproportion of valuable cuts of butcher interest, abdominal fat content and carcass yield at slaughter, of Campero Casilda males, were affected. The evidence shows that the increase of stocking density does not produce detrimental effects on those traits of greater economic importance, in particular, body weight and traits at slaughter, for what a modification in this sense could be introduced in the protocol tending to favor the economic return in productive enterprises |
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https://cerac.unlpam.edu.ar/index.php/veterinaria/article/view/3752 |
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oai:ojs.cerac.unlpam.edu.ar:article-37522020-11-16T09:26:32Z Stocking density and productive traits in an experimental three way cross of free range chicken Densidad de alojamiento y caracteres productivos en un cruzamiento experimental de tres vías de pollo campero / Stocking density and productive traits in an experimental three way cross of free range chicken Antruejo, Alejandra Edith Savoy, Juan Pablo Perrotta, Cristian Hernán Canet, Zulma Edith Dottavio, Ana María Di Masso, Ricardo Jose growth uniformity body conformation corporal slaughter traits crecimiento uniformidad conformación corporal caracteres a la faena Campero chicken represents a productive alternative within the framework of semi-intensive poultry systems that seek to preserve animal welfare. The production protocol establishes restrictions linked to management strategies, among which is the maximum stocking density of birds allowed per unit area. The aim of this work was to evaluate the effect of the stocking density on the dynamic growth pattern, the uniformity by precision of body weight, the body conformation and the slaughter traits in male chickens of the experimental three way cross Campero Casilda. Birds were bred as a single group, in confinement, until 35 days, when they were randomly distributed in three treatments: Low Density: 6 birds / m2 (21 kg / m2), Recommended Density: 7 birds / m2 (24.5 kg / m2) and High Density: 8 birds / m2 (28 kg / m2) and access to the park was enabled until slaughter at 84 days. Within the limits tested in this work, neither the decrease in thedensity indicated by the protocol of production of Campero chickens, in search of greater welfare, nor its increase, in search of greater profitability, significantly affect body growth evaluated from the dynamic pattern of body weight and the record of conformation indicators based on linear measurements. Neither body weight uniformity nor theproportion of valuable cuts of butcher interest, abdominal fat content and carcass yield at slaughter, of Campero Casilda males, were affected. The evidence shows that the increase of stocking density does not produce detrimental effects on those traits of greater economic importance, in particular, body weight and traits at slaughter, for what a modification in this sense could be introduced in the protocol tending to favor the economic return in productive enterprises El pollo Campero representa una alternativa productiva en el marco de sistemas avícolas semi-intensivos que buscan preservar el bienestar animal. El protocolo de producción establece restricciones vinculadas con estrategias de manejo entre las que se encuentra la densidad máxima de aves permitida por unidad de superficie. El objetivo de este trabajo fue evaluar el efecto de la modificación de la densidad de alojamiento sobre el patrón dinámico del crecimiento, la uniformidad por precisión del peso corporal, la conformación corporal y los caracteres a la faena en pollos machos del cruzamiento experimental de tres vías Campero Casilda. Las aves se criaron como un único grupo, en confinamiento, hasta los 35 días, edad a partir de la cual se distribuyeron aleatoriamente en tres tratamientos: Densidad Baja: 6 aves/m2 (21 kg/m2), Densidad Recomendada: 7 aves/m2 (24,5 kg/m2) y Densidad Alta: 8 aves/m2 (28 kg/m2) y se habilitó su acceso a parque hasta su faena a los 84 días. Dentro de los límites ensayados en este trabajo, ni la disminución de la densidad indicada por el protocolo de producción de pollos camperos, en busca de mayor bienestar, ni su aumento, en busca de mayor rentabilidad, afectaron en forma significativa el crecimiento evaluado a partir del patrón dinámico del peso corporal y del registro de indicadores de conformación basados en medidas lineales, Tampoco se vieron afectados la uniformidad en peso corporal, un indicador de trascendencia en la producción avícola, ni la proporción de cortes valiosos de interés carnicero y grasa abdominal ni el rendimiento a la faena. Los resultados indican que el aumento de la densidad no produce efectos detrimentales sobre los caracteres de mayor trascendencia económica, en particular, el peso corporal y los caracteres a la faena, por lo que podría introducirse una modificación en este sentido en el protocolo tendiente a favorecer el retorno económico en emprendimientos productivos EdUNLPam 2019-04-05 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf text/html https://cerac.unlpam.edu.ar/index.php/veterinaria/article/view/3752 10.19137/cienvet-201820204 Ciencia Veterinaria; Vol. 20 Núm. 2 (2018): julio - diciembre; 81-98 1853-8495 1515-1883 spa https://cerac.unlpam.edu.ar/index.php/veterinaria/article/view/3752/3845 https://cerac.unlpam.edu.ar/index.php/veterinaria/article/view/3752/4018 Derechos de autor 2019 Ciencia Veterinaria |