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South African Journal of Animal Science

versão On-line ISSN 2221-4062
versão impressa ISSN 0375-1589


LEEUW, K-J.; MEISSNER, H.H.  e  PALIC, D.. A comparison between hominy chop and defatted maize germ meal as the main energy source in diets of feedlot steers. S. Afr. j. anim. sci. [online]. 2009, vol.39, n.5, pp.126-129. ISSN 2221-4062.

Defatted maize germ meal (DMG) is arbitrarily rated at a lower economic value than maize meal or hominy chop (HC). Five treatments with 15 steers each were fed different inclusion levels of DMG (0%, 25%, 50%, 75% and 100%), replacing hominy chop during the fattening period. Slaughter data were collected for carcass performance evaluation. DMG has lower fat levels and higher NDF (fibre) levels than HC. A slightly higher feed intake (8.1% for T5 vs. T1) and lower gain (-4.4% for T5 vs. T1) of steers on DMG containing diets resulted in a 9 to 14% poorer feed conversion ratio in comparison to steers on the HC diet. No differences were observed between carcass weights for all treatments and dressing percentage did not differ between T1 (57.4%) and T5 (57.8%). Pricing levels need to be adjusted to reflect the nutritional value of DMG.

Palavras-chave : Economic value; steer performance; carcass performance.

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