Effect of different climatic environments on physiological characteristics of crossbred calves (Holandês X Gyr)

Authors

  • Johnny Iglesias Mendes Araujo Universidade Federal do Piaui-PI. Mestrando em Zootecnia – CPCE/UFPI, Bom Jesus, Piauí, Brasil.
  • André Campêlo Araujo Universidade Federal do Piaui-PI. Mestrando em Zootecnia – CPCE/UFPI, Bom Jesus, Piauí, Brasil.
  • Hudson Taylor Moreira Rodrigues Universidade Federal do Piauí-PI. Zootecnista – CPCE/UFPI, Bom Jesus, Piauí, Brasil.
  • Lianny Gomes Oliveira Universidade Federal do Piauí-PI. Zootecnista – CPCE/UFPI, Bom Jesus, Piauí, Brasil.
  • Cicero Pereira Barros Junior Universidade Federal do Piauí-PI. Mestrando em Ciencia Animal da Universidade Federal do Piauí – UFPI. Teresina, Piauí, Brasil
  • Wéverton José Lima Fonseca Universidade Federal do Piauí-PI. Mestrando em Ciencia Animal da Universidade Federal do Piauí – UFPI. Teresina, Piauí, Brasil
  • Carlos Syllas Monteiro Luz Universidade Federal do Piauí-PI. Doutorando em Ciência Animal da Universidade Federal do Piauí – UFPI. Teresina, Piauí, Brasil
  • Severino Cavalcante de Souza Júnior Universidade Federal do Piauí-PI. Professor Adjunto III do Departamento de Medicina - UFPI/Parnaíba, Piauí, Brasil.

DOI:

https://doi.org/10.5965/223811711532016259

Keywords:

Adaptation, ambience, catle.

Abstract

The aim of this work was to verify the adaptability of crossbred calves (Holstein x Gyr) created in the field and in the facilities in Bom Jesus, PI. Six crossbred calves (Holstein x Gyr) were distributed in two treatments: T1= Field and T2= Facilities, with three animals in each, with 32 repeated measurements over time, totaling 192 observations (6 animals x 32 repetitions per animal) during the experimental period. The physiological characteristics, such as respiratory rate (RR), heart rate (HR), rectal temperature (RT), and the sweating rate (SR) were recorded. The meteorological variables were: air temperature (AT), relative humidity (RH), globe temperature index and humidity (BGT1 and BGT2), where BGT1 was inside the facilities and BGT2 in the open field. All weather variables showed significant differences (p<0.05) between shifts (morning and afternoon). It was found that RT and SR showed no significant difference (p>0.05). The RR was higher (p<0.05) for T1, with an average of 55.88 mov/min. There was a significant difference (p<0.05) between treatments for HR, with averages of 92.19 and 86.25 bat/min. for T1 and T2, respectively. According to the results it can be stated that the facilities for calves positively influenced the performance of heat loss, giving values closer to the comfort zone.

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Published

2016-11-11

How to Cite

MENDES ARAUJO, Johnny Iglesias; ARAUJO, André Campêlo; MOREIRA RODRIGUES, Hudson Taylor; OLIVEIRA, Lianny Gomes; BARROS JUNIOR, Cicero Pereira; LIMA FONSECA, Wéverton José; MONTEIRO LUZ, Carlos Syllas; DE SOUZA JÚNIOR, Severino Cavalcante. Effect of different climatic environments on physiological characteristics of crossbred calves (Holandês X Gyr). Revista de Ciências Agroveterinárias, Lages, v. 15, n. 3, p. 259–265, 2016. DOI: 10.5965/223811711532016259. Disponível em: https://periodicos.udesc.br/index.php/agroveterinaria/article/view/223811711532016259. Acesso em: 21 nov. 2024.

Issue

Vol. 15 No. 3 (2016)

Section

Research Article - Science of Animals and Derived Products

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