Nutritional strategies affect carcass and pork quality but have no effect on intramuscular fat content of pork

Abstract

Fifty crossbred (Large White × Landrace × Duroc) female finisher pigs were used to determine the effect of nutritional strategies on intramuscular fat content. The dietary treatments were (A) Control: commercial grower and finisher diet, (Day 68-166), (B) 15% P:E and vitamin A: a 15% reduced protein:energy grower diet with no supplemental vitamin A (Day 68110), followed by a commercial finisher diet (Day 111-166), (C) sugar: a grower diet supplemented with 10% sugar (Day 68-110), followed by a commercial finisher diet (Day 111-166), (D) zinc: a grower diet supplemented with 250 ppm zinc (Day 68-110), followed by a commercial finisher diet (Day 111-166), and (E) lecithin: a diet supplemented ..