The findings of the present study highlight the economic
loss that can be attributed to IMI caused by CNS;
this was clearly demonstrated by using the half-udder
model. In goats, as in sheep, infection decreased Yc and
increased curd Tc, and these changes were reflected in
increased CN degradation, increased CN degradation
products (p-p), and decreased aCa
2+. However, the
higher CN content and higher PL activity in sheep than
in goats results in a higher output of CN degradation
products, including factors that down-regulate milk secretion.
This accounts for the stronger effect on milk
yield in sheep than in goats.