approached significanceP = 0.15
The line × parity interaction approached significance ( P = 0.15) and a tendency for greater vocal reaction at second parity than at first parity was observed in both lines ( P < 0.10).
The line × parity interaction approached significance ( P = 0.15) and a tendency for greater vocal reaction at second parity than at first parity was observed in both lines ( P < 0.10).
If so, this represents a fairly significant adaptation to their environment.