Untreated and formaldehyde-treated urea as nitrogen sources for lactating dairy cows
An experiment was performed with 22 Friesian cows, using a double reversal design with two treatments and one similar sequence for the two groups. The lengths of the standardization period, adaptation periods, test period and post-test period were 4, 1, 8 and 4 weeks, respectively. During the standa...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Scientific Agricultural Society of Finland
1982-01-01
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Series: | Agricultural and Food Science |
Online Access: | https://journal.fi/afs/article/view/72088 |