After changing the thermal
parameters of the climatic chambers, the new temperature and
humidity were reached approximately within 50 min with an
accuracy 71 °C. Twenty-two heifers with similar age were used
(2073 months) consisting of 6 Alentejana, 6 Mertolenga (B. taurus
Portuguese native cattle breeds), 4 Limousine, and 6 Frisian. The
initial average body weights were 450.3727.8 kg, 308.2731.3 kg,
470.3739.3 kg, and 403.8715.5 kg, respectively