Table 6.
Date of collection | Mean conversion | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
20 | 21 | 22 | 23 | 24 | 25 | ||||||||
Rate | n | Rate | n | Rate | n | Rate | n | Rate | n | Rate | n | ||
Control | |||||||||||||
C1557 | 0.499 | 69 | 0.511 | 69 | 0.472 | 67 | 0.515 | 65 | 0.474 | 51 | 0.454 | 22 | 0.488 |
C1559 | 0.519 | 72 | 0.496 | 72 | 0.493 | 72 | 0.501 | 72 | 0.473 | 51 | 0.509 | 29 | 0.499 |
C1560 | 0.529 | 72 | 0.525 | 72 | 0.507 | 72 | 0.432 | 72 | 0.477 | 53 | 0.447 | 16 | 0.486 |
Daily mean | 0.516 | 0.511 | 0.491 | 0.483 | 0.475 | 0.470 | 0.491 | ||||||
SD | 0.0153 | 0.0145 | 0.0176 | 0.0444 | 0.0021 | 0.034 | 0.007 | ||||||
SEM | 0.0088 | 0.0084 | 0.0102 | 0.0257 | 0.0012 | 0.0196 | 0.004 | ||||||
Vaccinated | |||||||||||||
C1551 | 0.507 | 72 | 0.518 | 72 | 0.517 | 72 | 0.518 | 72 | 0.512 | 62 | 0.522 | 29 | 0.516 |
C1553 | 0.536 | 72 | 0.540 | 72 | 0.534 | 72 | 0.549 | 72 | 0.506 | 71 | 0.501 | 15 | 0.528 |
C1554 | 0.529 | 69 | 0.507 | 68 | 0.508 | 68 | 0.506 | 67 | 0.489 | 59 | 0.506 | 25 | 0.508 |
Daily mean | 0.524 | 0.522 | 0.520 | 0.524 | 0.503 | 0.501 | 0.517 | ||||||
SD | 0.0149 | 0.0170 | 0.0134 | 0.0220 | 0.0118 | 0.0108 | 0.0102 | ||||||
SEM | 0.0086 | 0.0098 | 0.0077 | 0.0127 | 0.0068 | 0.0062 | 0.0059 |
Average proportion of total body weight converted to eggs for a sample of n ticks collected from each calf each day. Day of collection = number of days since larval ticks were first applied. n = number of ticks include in the average for the day. SD standard deviation, SEM standard error of the mean