(S (S (S (BASENP (NNS Livestock)) (VP (VBP have) (VP (VBN shown) (NP (BASENP (NNS signs)) (PP (IN of) (BASENP (NN distress))))))) (CC and) (S (PRN (COMMA ,) (ADVP (RB subsequently)) (COMMA ,)) (S (BASENP (NN milk) (NN production)) (VP (VBZ is) (ADVP (RB down) (RB substantially)))))) (PERIOD .))