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Animal Breeding and Genetics
Asian-Australasian Journal of Animal Sciences 1998;11(1): 84-88.
DOI: https://doi.org/10.5713/ajas.1998.84    Published online February 1, 1998.
Analysis of growth in intersubspecific crossing of mice using Gompertz model
E. Kurnianto, A. Shinjo, D. Suga
The aim of this study was to describe growth patterns of mice using Gompertz model. Two distinct types of mice, laboratory mouse CF#1 (Mus musculus domesticus) and Yonakuni wild mouse (Tk, Mus musculus molossinus yonakuni) were used. From all possible crosses, there were two parental types and two reciprocal F1 crosses obtained. Individual body weights were measured weekly from birth to ten weeks of age on 321 mice. Standardization to six mice was conducted and only first litters were used. Growth curve parameters were estimated to fit growth data. The results showed that growth among genetic groups were significantly different (p < 0.05) for both sexes, in which parental type of CF#1 and Yk had the highest and the smallest values, respectively. Meanwhile, reciprocal F1 crosses were intermediate between parental types. It was concluded that Gompertz model provided and excellent fit for the growth data with a high coefficient determination (R2 = 0.999).
Keywords: Growth Curve; Gompertz Model; Subspecific; Mice
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