In addition, cows in winter season had higher(P < 0.05)plasma P4 concentration on Day 12 post TAI than those for cows in summer season (7.33±0.08 vs.6.75±0.08 ng/ml)
In addition, cows in winter season had higher(P < 0.05)plasma P4 concentration onDay 12 post TAI than those for cows in summer season (7.33±0.08 vs.6.75±0.08 ng/ml)