13.07.2013 Views

an epidemiological study of listeriosis in dairy cattle

an epidemiological study of listeriosis in dairy cattle

an epidemiological study of listeriosis in dairy cattle

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

a) Dung disposal: Storage <strong>of</strong> m<strong>an</strong>ure beneath slats (OR 24.18, CL 2.47-211.43) <strong>an</strong>d <strong>in</strong><br />

slurry t<strong>an</strong>ks (OR 8.95, CL 1.15-55.61) were associated with <strong>an</strong> <strong>in</strong>creased risk <strong>of</strong> cases<br />

<strong>of</strong> Listeriosis with nervous signs (Table 3. 20).<br />

(v) General m<strong>an</strong>agement:<br />

a) Cases <strong>of</strong> Listeriosis <strong>in</strong> other <strong>an</strong>imals: The presence <strong>of</strong> Listeriosis <strong>in</strong> beef <strong>cattle</strong> (OR<br />

9.17, CL 1.86-39.51) <strong>an</strong>d <strong>in</strong> sheep (OR 4.95, CL 1.33-16.78) was associated with <strong>an</strong><br />

<strong>in</strong>creased risk <strong>of</strong> report<strong>in</strong>g cases with nervous signs (Table 3. 20).<br />

3. 3. 6. A summary <strong>of</strong> risk factors associated with the different forms <strong>of</strong> disease<br />

A summary <strong>of</strong> the predictor variables associated with different outcome<br />

variables is given <strong>in</strong> Table 3. 22 <strong>an</strong>d 3. 23. Overall 36 predictor variables were<br />

associated with the outcome variables. Table 3. 22. shows that 29 variables were<br />

associated with <strong>an</strong> <strong>in</strong>creased risk <strong>of</strong> disease. 4 predictor variables were consistently<br />

associated with all outcome variables, 5 with 4 <strong>of</strong> them, 6 with 3 <strong>of</strong> them, 3 with 2 <strong>an</strong>d<br />

the rest with 1 <strong>of</strong> the outcome variables.<br />

95

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!