Dynamical Analysis of the SEIB Model for Brucellosis Transmission to the Dairy Cows with Immunological Threshold

Figure 2

Density of the infected dairy cows as a function of the basic reproduction number with . The common values of (a), (b), and (c) used for the parameters are as follows: , , , , , , and . The different values are (a) , ; (b) , ; and (c) , . The forward bifurcation occurs at in all the pictures and the backward bifurcation occurs at in picture (a), at in picture (b) and at in picture (c).

(a)

(b)

(c)