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Huang C, Zhang S, Stein HH, et al. Effect of inclusion level and adaptation duration on digestible energy and nutrient digestibility in palm kernel meal fed to growing-finishing pigs. Asian-Australas J Anim Sci. 2017;31(3):395-402doi: 10.5713/ajas.17.0515.
Huang, C., Zhang, S., Stein, H. H., Zhao, J., Li, D., & Lai, C. (2018). Effect of inclusion level and adaptation duration on digestible energy and nutrient digestibility in palm kernel meal fed to growing-finishing pigs. Asian-Australasian journal of animal sciences, 31(3), 395-402. https://doi.org/10.5713/ajas.17.0515
Huang, Chengfei, et al. "Effect of inclusion level and adaptation duration on digestible energy and nutrient digestibility in palm kernel meal fed to growing-finishing pigs." Asian-Australasian journal of animal sciences vol. 31,3 (2018): 395-402. doi: https://doi.org/10.5713/ajas.17.0515
Huang C, Zhang S, Stein HH, Zhao J, Li D, Lai C. Effect of inclusion level and adaptation duration on digestible energy and nutrient digestibility in palm kernel meal fed to growing-finishing pigs. Asian-Australas J Anim Sci. 2018 Mar;31(3):395-402. doi: 10.5713/ajas.17.0515. Epub 2017 Sep 18. PMID: 28920411; PMCID: PMC5838345.
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Asian-Australas J Anim Sci. 2018 Mar;31(3):395-402. doi: 10.5713/ajas.17.0515. Epub 2017 Sep 18.

Effect of inclusion level and adaptation duration on digestible energy and nutrient digestibility in palm kernel meal fed to growing-finishing pigs.

Asian-Australasian journal of animal sciences

Chengfei Huang, Shuai Zhang, Hans Henrik Stein, Jinbiao Zhao, Defa Li, Changhua Lai

Affiliations

  1. State Key Laboratory of Animal Nutrition, Ministry of Agriculture Feed Industry Centre, China Agricultural University, Beijing 100193, China.
  2. Department of Animal Sciences, University of Illinois, Urbana, IL 61801, USA.

PMID: 28920411 PMCID: PMC5838345 DOI: 10.5713/ajas.17.0515

Abstract

OBJECTIVE: An experiment was conducted to evaluate effects of inclusion level of palm kernel meal (PKM) and adaptation duration on the digestible energy (DE) and apparent total tract digestibility (ATTD) of chemical constituents in diets fed to growing-finishing pigs.

METHODS: Thirty crossbred barrows (Duroc×Landrace×Large White) with an average initial body weight of 85.0±2.1 kg were fed 5 diets in a completely randomized design. The diets included a corn-soybean meal basal diet and 4 additional diets in which corn and soybean meal were partly replaced by 10%, 20%, 30%, or 40% PKM. After 7 d of adaptation to the experimental diets, feces were collected from d 8 to 12, d 15 to 19, d 22 to 26, and d 29 to 33, respectively.

RESULTS: The DE and ATTD of gross energy (GE), dry matter (DM), ash, organic matter (OM), neutral detergent fiber (NDF), acid detergent fiber (ADF), and crude protein (CP) in diets decreased linearly as the dietary PKM increased within each adaptation duration (p< 0.01). Diet containing 19.5% PKM had less DE value and ATTD of all detected items compared with other diets when fed to pigs for 14 days (p<0.05). The ATTD of CP in PKM calculated by 19.5% and 39.0% linearly increased as adaptation duration prolonged from 7 to 28 days (p<0 .01).

CONCLUSION: Inclusion level of PKM and adaptation duration had an interactive effect on DE and the ATTD of GE, DM, OM, and CP (p<0.01 or 0.05) but ash, NDF, and ADF in diet (p> 0.05). Considering a stable determination, 21 days of adaptation to a diet containing 19.5% PKM is needed in pigs and a longer adaptation time is recommended as dietary PKM increases.

Keywords: Adaptation Duration; Digestibility; Digestible Energy; Growing-finishing Pig; Inclusion Level; Palm Kernel Meal

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