The effect of growing locality on the nutritive value of maize silage hybrids with various FAO number

Ondrej Pastierik, Milan Šimko, Daniel Bíro, Miroslav Juráček, Branislav Gálik, Michal Rolinec


DOI: 10.15414/afz.2014.17.01.24-29

Received 7. February 2014 ǀ Accepted 20. March 2014 ǀ Available online 8. April 2014

We evaluated the effect of locality on nutritive value of maize silage with various FAO number. There were 8 maize silage hybrids (FAO 220, FAO 230, FAO 260, FAO 280, FAO 390, FAO 450, FAO 550) grown in two similar localities. All 16 groups were cut at milk-wax stage for whole plant silage and ensiled for 1 month in 4 dm3 glasses. Silages were sampled and analyzed for crude protein, NDF, ADL, Starch and IVDMD.  There were found significant differences (P<0.05) between localities within the type of hybrid in crude protein content of FAO 280, FAO 360, FAO 450, in ADL content of FAO 230, in NEL content of FAO 280, in DINAG  of FAO 230 and FAO 280. When compared all groups, IVDMD of the silage from FAO 450 grown in locality 2 has been found significantly higher (P<0.01) than all silages of locality 1, except FAO 550. Calculated content of NEL 7.24 and value of DINAG 46.8 for FAO 450 were the highest in the experiment.

Keywords: forage, maize silage, digestibility, earliness, net energy of lactation

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