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  • Title: Improvement of growth performance and sanitary status of weaned piglets fed a bovine colostrum-supplemented diet.
    Author: Huguet A, Le Dividich J, Le Huërou-Luron I.
    Journal: J Anim Sci; 2012 May; 90(5):1513-20. PubMed ID: 22079995.
    Abstract:
    The present study investigated the effect of 3 different durations of feeding a diet supplemented with defatted bovine colostrum (Col) on growth performance and sanitary status of the weaned piglet. At 28 d of age, piglets were weaned and fed 1 of the 2 following diets: a control (Ctrl) starter diet or a starter diet supplemented with Col. Two experiments were conducted. In Exp. 1, 310 piglets (12 pens consisting of 10 piglets/pen and 10 pens consisting of 19 piglets/pen) were allocated to 1 of the 2 dietary treatments for 12 d. In Exp. 2, 522 piglets (18 pens consisting of 10 piglets/pen and 18 pens consisting of 19 piglets/pen) were allocated to 1 of the following 3 dietary treatments: fed the Ctrl diet from d 1 to 12 (Ctrl), Col diet from d 1 to 4 and then the Ctrl diet up to d 12 (Col-4d), or the Col diet from d 1 to 6 and then the Ctrl diet up to d 12 (Col-6d). For both experiments, a commercial second-phase diet was fed to piglets from d 12 to 46. Feed intake, growth performance, and cleanliness of floor and hindquarters of animals were investigated during the first 7 wk postweaning. In Exp. 1, from d 0 to 12, ADFI, ADG, and G:F were 16 (P = 0.004), 23 (P < 0.001), and 5% (P = 0.069) greater, respectively, in Col piglets compared with Ctrl piglets. Thereafter, ADFI and ADG were 7 (P < 0.001) and 9% (P < 0.001) greater, respectively, in Col piglets than Ctrl piglets (d 12 to 46). On d 12 after weaning, piglets fed the Col diet had more normal feces (+13%) and less soft or liquid feces (-9 and -4%, respectively) than piglets fed the Ctrl diet (P = 0.06). Compared with Ctrl piglets, feeding the Col diet led to more days with normal feces for the floor cleanliness (+22%; P < 0.001) from d 7 to 11. In Exp. 2, compared with Ctrl piglets, ADFI, ADG, and G:F were 8, 23, and 13% greater (P < 0.05) in Col-6d piglets from d 0 to 9, whereas values for Col-4d piglets were intermediate and did not differ from the values of the other dietary treatments. On d 9 after weaning, piglets fed the Col-4d or the Col-6d diet had more normal feces (+6 and +4%, respectively) and less liquid feces (-4 and -3%, respectively) than piglets fed the Ctrl diet (P = 0.08). No long lasting effects were observed thereafter. In conclusion, there was a reduction of weaning-induced growth check and diarrheal episodes in weaned piglets fed the Col diet. The beneficial effects of the bovine colostrum were observed beyond the period of treatment when the supplementation covered the first 6 d postweaning, which corresponded to the acute phase of postweaning digestive disturbances.
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