Journal of Animal Production, Print ISSN: 2008-6776., Online ISSN: 2382-994X

Estimation of energy content of Iranian sainfoin using chemical composition and In vitro gas production data.

Document Type : Research Paper

Author

Hossein Gholami
https://doi.org/10.22059/jap.2016.58502
Abstract
This study was conducted to determine the metabolizable and net energy for lactation of Iranian sainfoin using chemical composition and gas production data obtained by experiments being carried out in different animal nutrition laboratories mainly Animal Science Research Institute (ASRI) (from 1987 to 2011) in IRAN. Linear fitted equations as well as logarithmic, inverse, quadratic, cubic, power, S and exponential fitted equations for components such as crude protein, crude fat, crude ash, crude fiber, neutral detergent fiber, acid detergent fiber and NFE were estimated. The obtained equations for crude protein were very significant (P<0.001) with high coefficient of the determination (R2 = 0.731). In the above mentioned equations for estimating metabolizable energy of sainfoin hay, crude protein can be chosen as an independent variable. By selecting crude protein as an independent variable and related equations, Metabolizable energy (ME), net energy for lactation (NEL), Net energy for maintenance (NEm) and net energy for growth (NEg) of Iranian sainfoin were 2.43, 1.29, 1.55 and 0.94 Mcal/Kg DM, respectively. The result showed, with a simple chemical experiment of crude protein in the animal nutrition laboratory can be estimated available energy of Iranian sainfoin and used it in ruminant diets.

Keywords

crude protein
Independent predictor
Linear equations
Metabolizable energy
Standard tables of feedstuffs
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Journal of Animal Production, Print ISSN: 2008-6776., Online ISSN: 2382-994X
Volume 18, Issue 4
Autumn 2016
Pages 741-748

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