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Krmiva : Review for animal feeding, production and feed technology, Vol. 35 No. 5, 1993.

Review article

EVALUATION OF ENERGY VALUE OF RUMINANT FEEDINGSTUFFS

Darko Grbeša ; Agronomski fakultet, Zavod za hranidbu domaćih životinja, Zagreb, Republika Hrvatska

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Abstract

Historical development and characteristics of feeding systems and ways of evaluation of energy values of ruminant feedingstuffs are presented. Energy values of feeds are given as net energy for lactation (NEL) and net energy for growth and fattening (NEGF) in MJ/kg DM of feedstuffs. The base of the system is metabolizable energy (ME). Most factors effecting the use the ME are shown, e.g. feeding levels, metabolizability (q) of energy and type and level of production. Net energy values of different measuring units in MJ are given, and different energy systems related to potential milk and meat production are compared.

Keywords

Hrčak ID:

164842

URI

https://hrcak.srce.hr/164842

Publication date:

15.9.1993.

Article data in other languages: croatian

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