The energy value of pig diets estimated  in vitro 
and  in vivo

The content of digestible (DE) and metabolizable (ME) energy was determined in 29 pig diets by in vivo and in vitro procedures. Growing, castrated males were used for the in vivo balance study. The DE and ME values of diets estimated in vivo and in vitro were similar. The correlation coefficients for DE and ME were 0.802 and 0.772, respectively. Predicting the energy value of pig diets with satisfactory precision seems possible using the in vitro technique.

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Alternative prediction methods of protein and energy evaluation of pig feeds
Ewa Święch
Journal of Animal Science and Biotechnology

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1230-1388

Assigning DOI numbers, introducing articles from supplements and recent publications to POL-index database, maintaining anti-plagiarism detection, electronic system to proceed manuscripts and webpage of the Journal with interactive pdf files, and language correction of manuscripts published in Journal of Animal and Feed Sciences are financed in the years 2018–2019 by the Ministry of Science and Higher Education from the funds for science popularization activities, Agreement No. 631/P-DUN/2018.