( ( Despite ( antibiotic ( and ( antifungal treatment ) ) ) ) ( , ( ( ( ( respiratory ( ( ( disease and ) anorexia ) developed ) ) and ) ( ( the dolphin ) ( ( died ( 4 weeks ) ) ( after ( ( the onset ) ( of illness ) ) ) ) ) ) . ) ) )
(ROOT (S (PP (IN Despite) (NP (JJ antibiotic) (CC and) (JJ antifungal) (NN treatment))) (, ,) (S (ADVP (RB respiratory)) (NP (NN disease) (CC and) (NN anorexia)) (VP (VBD developed))) (CC and) (S (NP (DT the) (NN dolphin)) (VP (VBD died) (NP (CD 4) (NNS weeks)) (PP (IN after) (NP (NP (DT the) (NN onset)) (PP (IN of) (NP (NN illness))))))) (. .)))
Despite antibiotic and antifungal treatment, respiratory disease and anorexia developed and the dolphin died 4 weeks after the onset of illness.
(ROOT (S (NP (NP (DT The) (NN development)) (PP (IN of) (NP (NP (DT the) (JJ respiratory) (NN system)) (PP (IN in) (NP (DT the) (NN fetus)))))) (VP (VBZ begins) (PP (IN at) (NP (QP (RB about) (CD 4)) (NNS weeks)))) (. .)))
The development of the respiratory system in the fetus begins at about 4 weeks.