Evaluation of thermal stress indexes for dairy cows in tropical regions Escolha de índices de estresse térmico para vacas leiteiras em ambiente tropical
Data from 359 Holstein and 54 Jersey cows (total of 1359 observations) collected in commercial herds in the northeast of Brazil were used to evaluate six environmental stress indexes. The selection criterion was the correlation between the index value with the rectal temperature (RT) and the respira...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Sociedade Brasileira de Zootecnia
2007-08-01
|
| Series: | Revista Brasileira de Zootecnia |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982007000500028 |