Table 7.
Day of collection | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
20 | 21 | 22 | 23 | 24 | 25 | Mean % per calf | |||||||
% | n | % | n | % | n | % | n | % | n | % | n | ||
Control | |||||||||||||
C1557 | 75.25 | 47 | 83.50 | 47 | 75.06 | 46 | 83.09 | 48 | 77.39 | 48 | 71.88 | 22 | 77.70 |
C1559 | 78.77 | 48 | 77.16 | 48 | 78.75 | 43 | 68.15 | 44 | 76.43 | 46 | 63.63 | 17 | 73.82 |
C1560 | 80.01 | 48 | 79.17 | 45 | 81.24 | 46 | 75.19 | 46 | 69.77 | 47 | 65.06 | 11 | 75.07 |
Daily mean | 78.01 | 79.94 | 78.35 | 75.48 | 74.53 | 66.86 | 75.53 | ||||||
SD | 2.46 | 3.24 | 3.11 | 7.47 | 4.15 | 4.41 | 1.98 | ||||||
SEM | 1.42 | 1.87 | 1.79 | 4.31 | 2.40 | 2.55 | 1.14 | ||||||
Vaccinated | |||||||||||||
C1551 | 81.72 | 47 | 72.36 | 47 | 83.20 | 47 | 80 | 47 | 78.13 | 46 | 74.77 | 24 | 78.44 |
C1553 | 88.29 | 47 | 78.31 | 48 | 83.30 | 48 | 87.92 | 42 | 75.90 | 43 | 57.55 | 15 | 78.55 |
C1554 | 84.8 | 46 | 81.46 | 47 | 78.39 | 47 | 79.70 | 48 | 66.20 | 48 | 70.90 | 24 | 76.92 |
Daily mean | 84.95 | 77.38 | 81.63 | 82.69 | 73.41 | 67.74 | 77.97 | ||||||
SD | 3.29 | 4.62 | 2.81 | 4.54 | 6.34 | 9.04 | 0.91 | ||||||
SEM | 1.90 | 2.67 | 1.62 | 2.62 | 3.66 | 5.22 | 0.53 |
% = Average percent of a subsample of eggs hatching for a sample of n egg masses per day per calf. Day of collection = number of days since larval ticks were first applied. n = number of egg masses sampled for the calf on the day. SD standard deviation, SEM standard error of the mean