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</script>handle: 10174/18428
Devido á crise que afeta o setor de leite nos últimos anos e mais recentemente com a eliminação do sistema de cotas leiteira, aliado à instabilidade do preço de leite e à dificuldade de escoamento do produto principal, torna-se de vital importância a (re) análise e monotorização de todos os parâmetros que influenciam a rentabilidade das explorações de leite portuguesas. Sendo a eficiência reprodutiva um dos fatores de destaque na gestão das explorações torna-se importante perceber que influência exerce na rentabilidade das explorações. Este trabalho demostrou, através da análise económica, que o intervalo entre partos (IEP) influencia a rentabilidade das explorações. Na amostra utilizada, verificou-se um efeito significativo para o IEP igual ou inferior a 415 versus superior a 415 dias e para IEP igual ou inferior a 424 versus superior a 424 dias, em indicadores económicos como o saldo proveitosdespesas , margem bruta , margem líquida , taxa de rentabilidade global dos fatores e margem líquida por Kg leite . Aliado ao IEP, a dimensão das explorações também influencia a sua rentabilidade, sendo as explorações com dimensão média de 51 e 100 animais secos as mais rentáveis; Abstract: The effect of calving interval in the economic viability of dairy cattle farms Due to the crisis affecting the dairy sector in recent years and most recently with the elimination of the milk quota system, coupled with the instability of the milk price and the difficulty of disposing of the main product, it is of vital importance to (re)analyse and monitoring of all parameters that influence the profitability of Portuguese dairy farms. As the reproductive efficiency is one of the prominent factors in farm management. it becomes important to understand how it exerts influence on the profitability of farms. This work demonstrated through economic analysis, that the calving interval influences the profitability of farms. In the sample used, there was a significant effect on the IEP equal to or less than 415 versus more than 415 days and for IEP less than or equal to 424 versus more than 424 days in economic indicators such as "income-expenditure balance", "gross margin , "net margin", "global rate of return factors" and "net margin per kg milk . Coupled with the calving interval, the size of holdings also influences their profitability, and farms with an average size of 51 and 100 dry animals are the most profitable.
Intervalo entre partos, Análise económica, Milk cattle, Bovinos de leite, Economic analysis, Calving interval
Intervalo entre partos, Análise económica, Milk cattle, Bovinos de leite, Economic analysis, Calving interval
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