Table 8.
Continuous milk feeding practices for preweaned dairy calves (n = 2,545) on 104 US operations from March 2014 to September 2015
| Variable | Operations1 |
Heifer calves |
Percentile of heifer calves |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | Mean (SE) | Number | Percent | Mean (SE) | 5th | 25th | 50th | 75th | 95th | |
| Milk replacer protein (%) | 60 | 57.7 | 22.4 (0.4) | 1,330 | 52.3 | 22.7 (0.1) | 20.0 | 20.0 | 22.0 | 25.0 | 28.0 |
| Milk replacer fat (%) | 60 | 57.7 | 20.1 (0.4) | 1,330 | 52.3 | 20.2 (0.1) | 15.0 | 20.0 | 20.0 | 20.0 | 25.0 |
| Milk replacer, dry powder per feeding (g) | 52 | 50.0 | 133.2 (2.8) | 1,130 | 44.4 | 133.2 (0.8) | 113.4 | 113.4 | 141.8 | 144.6 | 170.1 |
| Total number of days fed liquid diet | 103 | 99.0 | 62.8 (1.6) | 2,536 | 99.6 | 63.6 (0.4) | 38.0 | 55.0 | 61.0 | 70.0 | 100.0 |
| Average volume fed per feeding (L) | 103 | 99.0 | 2.5 (0.1) | 2,536 | 99.6 | 2.6 (0.0) | 1.1 | 1.9 | 2.6 | 3.1 | 3.8 |
| Total volume liquid diet fed during the preweaning period (L) | 103 | 99.0 | 350.2 (11.8) | 2,536 | 99.6 | 360.7 (2.9) | 145.7 | 265.0 | 338.9 | 459.9 | 624.6 |
| Average volume liquid diet fed per day (L) | 103 | 99.0 | 5.6 (0.2) | 2,536 | 99.6 | 5.7 (0.0) | 3.5 | 4.7 | 5.5 | 6.8 | 8.5 |
1
Operation percentages were calculated by dividing the variable level by the total number of operations reported for each variable. Operations may have had calves in more than one variable level; therefore, the sum of a variable might not always equal 100%.