Nutritional value of glycerin for pigs determined by different methodologies

AUTOR(ES)

Verussa, Guiomar Helena, Corassa, Anderson, Pina, Douglas dos Santos, Ton, Ana Paula Silva, Komiyama, Cláudia Marie, Teixeira, Alexandre de Oliveira

FONTE

R. Bras. Zootec.

DATA DE PUBLICAÇÃO

2017-07

RESUMO

ABSTRACT The objective of this study was to determine the nutritional value of glycerin for pigs using different inclusion levels of this test ingredient and the methodologies of total collection and chromium oxide marker. Eight barrows were distributed individually into metabolic cages, in a randomized-block experimental design, and fed diets containing 0, 50, 100, and 150 g kg−1 plant-derived crude glycerin. The feed digestibility methodologies of total feces and urine collection and chromium oxide marker were analyzed. Inclusion of up to 150 g kg−1 crude glycerin improved the digestibility coefficients of organic matter and energy of the diets. The collection method based on the use of chromium oxide marker underestimates the digestibility coefficient of ash and the energy values of glycerin in relation to the total collection method, but yields similar results to those obtained with the total collection method for the dry matter, organic matter, crude protein, ether extract, and neutral detergent fiber assessed.

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