Les hommes ont oublié cette vérité. Mais tu ne dois pas l'oublier, dit le renard. Tu deviens responsable pour toujours de ce que tu as apprivoisé.
Le Petit Prince, chap. 21

Sunday, 6 September 2015

Demography of owned dogs and cats in São Paulo State

Baquero, O. S., Chiozzotto, E. N., Garcia, R. D. C. M., Amaku, M., & Ferreira, F. (2015). Demographic characteristics of owned dogs and cats of Votorantim, São Paulo State, Brazil. Ciência Rural, (AHEAD), 00-00.

A two-stage cluster sample design was used to estimate population parameters of dogs and cats of the urban area of Votorantim, São Paulo State, Brazil, to support the planning and implementation of population management programs for companion animals. For dogs, the total and density estimates were 27,241 dogs (95% confidence interval [CI]=23,903-30,578) and 951 dogs km-2 (95% CI=835-1,068), respectively. For cats, these estimates were 5,579 cats (95% CI=3,595-7,562) and 195 cats km-2 (95% CI=126-264). Cost was the most prevalent reason for not sterilizing the animals (33%, 95% CI=23%-44%, Deff=6.1). The percentage of interviewees that expressed reasons for abandoning their animals was equal to 9 (95% CI=5-13, Deff=2.1). Other estimates were obtained, including indirect estimates of abandonment. The estimates associated with abandonment suggest that the prevalence of this phenomenon can significantly affect population dynamics. Distribution of dogs per household can be used to construct hypothetical populations and to validate estimation procedures. The estimates generated allow parameterizing mathematical models and constructing population management indicators

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