Stuck on last one, 20D growth leading cattle to get sick in South Africa (6) –C–L–A
could be 'aculea' -a growth on insects? but doesn't really seem to make sense??
Help please!...
Stuck on bottom right:
27A Poles supporting pipe when icebound, sway (9) I - - - U - - - -
24D In a state secret? (5) I - - - R
20D Highest and sheer (7) E - T - - - E
thanks!...
