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Crecimientos diferenciales según fenotipos en el Borrego de Chiapas

Authors: Parés Casanova, Pere-Miquel; Caballero-Sala, Marta; Perezgrovas Garza, Raúl;

Crecimientos diferenciales según fenotipos en el Borrego de Chiapas

Abstract

El presente trabajo tuvo por objetivo estudiar las curvas de crecimiento de machos y hembras del borrego Chiapas, en un amplio rango de edad (rango: 3 a 156 meses), incluyendo 4 fenotipos (blanco n=30, negro n=77, café n=28 y pinto n=10), y procedentes de diferentes comunidades de la zona de los altos de Chiapas (Sur México). Para esto, fue evaluada la capacidad de ajuste de cuatro modelos de crecimiento: logístico, von Bertalanffy, Michaelis-Menten y Gompertz, a los datos de peso procedentes de 66 machos y 79 hembras. De todos los modelos testados fue el modelo de Michaelis-Menten el mejor para describir la curva de crecimiento en el borrego Chiapas, lo que puede ser utilizado para estudiar la cinética del crecimiento en esta raza. El fenotipo pinto es el que se aparta más del resto, y muestra el mayor peso final en el tramo etario estudiado.

Growth curves in the Chiapas sheep breed were assessed for males and females, comprising a wide age range of animals (3 to 156 months). Animals encompass 4 different phenotypes (white n=30, black n=77, tan n=28 and paint n=10). They were from different local communities in Chiapas (South Mexico). The goodness of fit for four different models (logistic, von Bertalanffy, Michaelis-Menten and Gompertz) was assessed for 66 males and 79 females. The best model was the Michaelis-Menten one, which can be useful in order to study the growth kinetics for this breed. The paint phenotype is the most distinct variety and it has the highest final weight for the age range studied.

Country
Spain
Keywords

Modelo von Bertalanffy, Michaelis - Menten model, Modelo Michaelis-Menten, Logistic model, Ontogeny, Gompertz model, Modelo logístico, Von Bertalanffy model, Modelo Gompertz, Ontogenia

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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
Average
Average
Green