Effects of the feed: Water mixing proportion on diet digestibility of growing pigs

Cinta Sol, Lorena Castillejos*, Sergi López-Vergé, Ramon Muns, Josep Gasa

*Corresponding author for this work

Research output: Contribution to journalArticleResearch

1 Citation (Scopus)

Abstract

The effect of different water-to-feed ratios on apparent total tract digestibility of energy and nutrients were evaluated in growing–finishing pigs. In trial 1 (26 d), 16 female pigs (46.7 ± 1.98 kg of body weight, BW) were individually assigned to four treatments (n = 4). In trial 1, pigs were fed a control diet in dry form (CON) and in blend form with water-to-feed ratios of 0.6:1, 2.1:1 and 2.7:1. In trial 2 (26 d), rearranged animals (65.4 ± 3.14 kg of BW) were assigned a control diet in dry form (CON) and ratios of 1.35:1, 2.7:1 and 3.5:1. In trial 1, pigs fed on ratios of 2.1:1 and 2.7:1 had a higher organic matter digestibility (OMd) and gross energy digestibility (GEd) than CON. In trial 2, pigs fed on ratios of 1.35:1, 2.7:1, and 3.5:1 had a higher OMd and GEd than CON. Quadratic regressions showed the maximum dilution rate to reach higher digestibility coefficients at 1.83:1 and at 2.7:1 for trials 1 and 2, respectively. During trial 1, pigs on the 0.6:1 dilution rate had higher weight gain than those on CON. The water-to-feed ratio that optimized OM and GE digestibility may increase with the age of the pigs.
Original languageEnglish
Article number791
Number of pages8
JournalAnimals
Volume9
Issue number10
DOIs
Publication statusPublished - 12 Oct 2019

Keywords

  • Feed digestibility
  • Swine
  • Water-diluted diet
  • Water-to-feed ratio

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