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Mastitis means more abortions - August 24th, 2006
The number of abortions within a herd is related to the incidence of mastitis according to the latest US research. A study found
out that cows with mastitis are twice as likely to suffer an abortion.
The seven week period after insemination is most critical, as figures showed that 12% of the cows studied, aborted at this time.
The study also revealed that inseminating cows with mastitis can be waste of time and semen as just 15% will get in calf.
Table 1 - Relationship mastitis and fertility
Period in which
mastitis occurs |
Number of cows |
% in calf
after 1st ins |
calving interval
in days |
%
aborted |
| No mastitis |
501 |
29 |
420 |
06 |
| Between calving and 1st ins |
250 |
22 |
445 |
12 |
| First ins-seven weeks after |
147 |
10 |
470 |
12 |
| During pregnancy |
103 |
37 |
400 |
10 |
Source: CowManagement Magazine
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