2016
DOI: 10.5965/223811711532016259
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Efeito de diferentes ambientes climáticos sobre características fisiológicas de bezerros mestiços (Holandês X Gir)

Abstract: Efeito de diferentes ambientes climáticos sobre características fisiológicas de bezerros mestiços (Holandês x Gir) Effect of different climatic environments on physiological characteristics of crossbred calves (Holandês x Gyr

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Cited by 6 publications
(2 citation statements)
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“…Even in autumn, diagnoses related to low enthalpy (D5, D6, and D7) represented 113 instances added (about 7% of the entire database). The results highlight the di culty of housing calves in tropical and subtropical climates, as is often observed in the results of other studies(Araujo et al, 2016;Cabral et al, 2017).The properties of the database used were decisive in the con guration of the decision trees proposed by the ID3 and c4.5 algorithms. As h is directly derived from Tbs and UR, data pre-processing was used (converting numerical values into ordinal categorical data) and all values and classes present in the database were known, both networks showed excellent accuracy.…”
supporting
confidence: 74%
“…Even in autumn, diagnoses related to low enthalpy (D5, D6, and D7) represented 113 instances added (about 7% of the entire database). The results highlight the di culty of housing calves in tropical and subtropical climates, as is often observed in the results of other studies(Araujo et al, 2016;Cabral et al, 2017).The properties of the database used were decisive in the con guration of the decision trees proposed by the ID3 and c4.5 algorithms. As h is directly derived from Tbs and UR, data pre-processing was used (converting numerical values into ordinal categorical data) and all values and classes present in the database were known, both networks showed excellent accuracy.…”
supporting
confidence: 74%
“…Porém, em animais jovens o tônus vagal altera e intensifica a atividade dos centros cardioacelerador e vasoconstritor [26]. Em bovinos quando há aumento da FR associado com vasodilatação periférica, o coração necessitará aumentar o número de batimentos [2]. Bezerros machos de origem europeia, de 2 a 3 meses de idade, expostos ao estresse por calor por 12 horas diárias, reduziram a FC quando a temperatura aumentou de 18 °C para 40,5 °C [30].…”
Section: Discussionunclassified