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http://dx.doi.org/10.5333/KGFS.2020.40.1.1

A Study on the Distribution of Feed Value and Quality Grade of Imported Hay  

Lee, Bae Hun (National Institute of Animal Science, RDA)
Kim, Ji Hye (National Institute of Animal Science, RDA)
Oh, Mirae (National Institute of Animal Science, RDA)
Lee, Ki Won (National Institute of Animal Science, RDA)
Choi, Ki Choon (National Institute of Animal Science, RDA)
Cheon, Dong Won (National Institute of Animal Science, RDA)
Park, Hyung Soo (National Institute of Animal Science, RDA)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.40, no.1, 2020 , pp. 1-6 More about this Journal
Abstract
This study was conducted to evaluate feed value of imported hays and examine current situation of species and hay grade. To evaluate the quality of the imported hay, 133 pieces including 9 species of roughage types were collected at the national hay importers, the TMR companies and livestock farms from 2016 to 2018. The quality grades of imported hay were 3~4 and most imported hay were considered to had low. The ADF, Ash, TDN and DDM in feed composition of alfalfa by quality grades presented significant differences(p<0.05). The quality grade on alfalfa was not similar to the actual quality grades calculated through feed composition. The feed composition of grasses by quality degrees presented significant differences in all contents except DM and CP (p<0.05). As the distributed grasses of the unmarked quality grade was low quality and accounted for 49%, it is urgent to present quality standards based on feed composition. As these results, the grades of imported hays were lower than the marked quality grades. Therefore, the imported roughage's(hay) price that considered to only quality grades on the marked imported roughages(hay) package can cause a loss to the livestock farms as economic damage. An institutional arrangement should be established to review the quality grades of imported hay.
Keywords
Imported Hay; Quality Grade; Feed Value;
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