ABSTRACT We aimed to reduce the dimensionality of quantitative traits in pigs applying factor analysis. Quantitative variables were collected, and the factor analysis extracted five factors with biological meaning related to performance, carcass quality, carcass yield, meat quality, and initial pH. These factors were posteriorly used as dependent variable to evaluate the effects of genetic groups (Piau, Duroc, and Pietrain crossbreds), nutritional plans (low, medium and high lysine levels) and sex. An interaction effect between genetic group and sex was […]

ABSTRACT The aim of this investigation was to determine risk factors affecting production of beekeeping farms in Igdir province of Turkey and to develop strategies in coping with these risks. Research was based on data collected through a questionnaire applied to 85 beekeeping farms registered to Igdir Beekeepers’ Union according to exact counting method. Factor analysis was applied to collected data to identify risk factors and risk management strategies. Factor analysis was conducted under principle component extraction method and VARIMAX […]

ABSTRACT The objective of this paper was to analyze financial management practices in dairy production systems. More specifically, we sought to identify which milk producers adopt financial management practices. We conducted 55 semi-structured questionnaires in the Western Region of Paraná. The data were processed through descriptive and multivariate statistical analysis. The analysis of hierarchical clusters defined, based on variables related to financial management practices, two distinct groups. The first group included milk producers who do not adopt financial management practices […]

Objetivou-se identificar as características dos sistemas produtivos de leite das fazendas de Minas Gerais com maiores gastos em prevenção de doenças animais. Ainda, pretendeu-se verificar a existência de relação negativa entre gastos com prevenção e tratamento. Os dados utilizados são provenientes de 861 questionários aplicados para a publicação do Diagnóstico da Pecuária Leiteira do Estado de Minas Gerais em 2005. Utilizou-se a análise fatorial para criar variáveis que agregassem os gastos. As variáveis geradas foram inseridas num modelo de regressão […]