baL1/baNwi : mean L1 burden in bad alternative hosts at a given week
tL1wi : total count of L1 in all nestilngs present in the studied community at a given week
ohBroodswi : total count of broods of optimal hosts in the studied community at a given week
Table 2 : Mean burden of first instar larvae of Philornis(L1) in bad alternative hosts (Little Thornbird) as a function of the number of co-existing good alternative host (Greater Thornbird) broods and total L1 in the community.