Optimum broiler development
1R6eGLk
1R6eGLk
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
1. Hatchery<br />
1.24. How to establish good chick quality? - Colibacillosis control<br />
●<br />
●<br />
This is the most common infectious disease of<br />
poultry and is world wide in incidence.<br />
Infection is via the oral route, via the shell<br />
membrane, yolk/navel, water and the incubation<br />
period is 3-5 days.<br />
●<br />
Poor navel healing, mucosal damage due to viral<br />
infections and immunosuppressive challenges are<br />
pre-disposing factors to infections.<br />
Egg shell contamination and 14 day mortality<br />
Egg Total Coliforms 14 day<br />
condition bacteria mortality<br />
Clean 600 123 0.9<br />
Soiled 20,000 904 2.3<br />
Dirty 80,000 1,307 4.1<br />
(J. M. Mauldin)
Change language