2007
DOI: 10.1590/s1516-635x2007000100004
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Abstract: Growth curves models provide a visual assessment of growth as a function of time, and prediction body weight at a specific age. This study aimed at estimating tinamous growth curve using different models, and at verifying their goodness of fit. A total number 11,639 weight records from 411 birds, being 6,671 from females and 3,095 from males, was analyzed. The highest estimates of a parameter were obtained using Brody (BD), von Bertalanffy (VB), Gompertz (GP,) and Logistic function (LG). Adult females were 5.7… Show more

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Cited by 17 publications
(10 citation statements)
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“…Based on the criteria established to compare the models, the best fit of the von Bertalanffy and the Gompertz models indicates that they can be used to model the growth curve of Hybrid turkey reared under the management conditions of tropical southern Mexico. These results agree with the findings of Tholon & Queiroz (2007) in tinamous (Rhynchotus rufescens), when comparing the von Bertalanffy, Gompertz, Logistic, Brody and quadratic-quadratic-quadratic segmented polynomial models. Sengul & Kiraz (2005) found that the Morgan-Mercer-Floding (MMF) model fitted better the data of Large White turkeys, followed by the Gompertz, Logistic, and Richards models.…”
Section: Non-linear Model To Describe Growth Curves Of Commercial Tursupporting
confidence: 90%
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“…Based on the criteria established to compare the models, the best fit of the von Bertalanffy and the Gompertz models indicates that they can be used to model the growth curve of Hybrid turkey reared under the management conditions of tropical southern Mexico. These results agree with the findings of Tholon & Queiroz (2007) in tinamous (Rhynchotus rufescens), when comparing the von Bertalanffy, Gompertz, Logistic, Brody and quadratic-quadratic-quadratic segmented polynomial models. Sengul & Kiraz (2005) found that the Morgan-Mercer-Floding (MMF) model fitted better the data of Large White turkeys, followed by the Gompertz, Logistic, and Richards models.…”
Section: Non-linear Model To Describe Growth Curves Of Commercial Tursupporting
confidence: 90%
“…Mature or asymptotic weight (A) estimates for the three models that converged was higher for males than for females, indicating that male turkeys matured more slowly and it took more time to reach mature body weight than female turkeys ( Table 2). The highest A value was obtained by the von Bertalanffy model and the lowest by the Logistic model, as previously reported by Tholon & Queiroz (2007) *A= Body weight at maturity; b= integration constant; k= relative growth coefficient or maturity index; T I = age at inflection point; W I =body weight at age of inflection point.…”
Section: Non-linear Model To Describe Growth Curves Of Commercial Tursupporting
confidence: 83%
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“…Using nonlinear functions to describe the growth of this bird, Tholon & Queiroz (2007) obtained estimates of mature weight, expressed as asymptotic weight, of 648.2 and 806.4 g when logistic and Brody models were applied, respectively.…”
Section: Introductionmentioning
confidence: 99%
“…logistic models when a = 0, a = 2/3, a → 1 and a = 2 as summarised in Figure 3.1 (Berry et al, 1988;Birch, 1999;Tholon & Queiroz, 2007).…”
Section: Deterministic Growth Models 39mentioning
confidence: 99%