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Boletín Científico Centro de Museos Museo de Historia Natural
Article . 2019 . Peer-reviewed
License: CC BY NC SA
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Efecto del metabolito 25 (OH)-Colecalciferol sobre la discondroplasia tibial en gallus domesticus comerciales tipo carne.

Authors: Adriana Quiroz Bucheli; William Narváez Solarte; Alejandro Giraldo Carmona;

Efecto del metabolito 25 (OH)-Colecalciferol sobre la discondroplasia tibial en gallus domesticus comerciales tipo carne.

Abstract

Objetivo: Probar tres niveles de 25-(OH)-colecalciferol en pollos de engorde de línea de alta incidencia de discondroplasia tibial, criados bajo condiciones de temperatura termoneutral y de temperatura alta, a una altitud de 2130 msnm. Metodología: Se utilizaron 384 pollos de 1 a 21 días de edad de la línea Ross 308, con peso inicial promedio de 43,97±1,25 g, distribuidos en un modelo factorial 2x3, dos temperaturas ambientales (termoneutral y temperatura alta) y tres niveles de 25-hidroxicolecalciferol (34,5; 69 y 93,5 µg/kg de alimento, como única fuente de vitamina D), cada uno con 8 repeticiones y 8 pollos por unidad experimental. Al día 21 de edad se determinaron el peso final, la conversión alimenticia y la mortalidad en cada una de las unidades experimentales. Además, se tomó una muestra de hueso de tibia, para realizar la medición cuantitativa del porcentaje de área con discondroplasia tibial. Resultados: Aunque los pollos alimentados con 93,5 µg/kg de vitamina D presentaron en los resultados biológicos menor porcentaje de discondroplasia tibial, la prueba estadística no muestra diferencia significativa (p>0,05) entre las medias de tratamientos. El peso final incrementó significativamente (p<0,05) en los pollos alimentados con 93,5 µg/kg de 25-hidroxicolecalciferol; y al desdoblar la suma de cuadrados dentro del factor temperatura, no se observaron diferencias estadísticas significativas (p>0,05). Conclusión: Con base en los resultados obtenidos en las condiciones del experimento, la adición de 25-(OH)-colecalciferol a una dosis de 93,5 µg/kg mejoró la respuesta productiva, sin embargo, no hubo diferencia en el grado de discondroplasia cuando las aves consumieron niveles de 25-hidroxicolecalciferol entre 34,5 y 93,5 µg/kg de alimento en pollos de engorde de 1 a 21 días.

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Keywords

ave, bird, lameness, vitamin D, nutrición, cojera, nutrition, vitamina D, tibia

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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Average
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