The Effect of Red Seaweed (Gracilaria sp.) Supplementation in Beef Cattle Feed to digestibility of dry matter and organic matter with in Vitro method

Bayu Purnomo Aji; Caribu Hadi Prayitno; Munasik Munasik

doi:10.20884/1.angon.2019.1.3.p213-2018

Bayu Purnomo Aji Faculty of Animal Science, Jenderal Soedirman University, Purwokerto, Indonesia
Caribu Hadi Prayitno Faculty of Animal Science, Jenderal Soedirman University, Purwokerto, Indonesia
Munasik Munasik Faculty of Animal Science, Jenderal Soedirman University, Purwokerto, Indonesia

DOI: https://doi.org/10.20884/1.angon.2019.1.3.p213-2018

Keywords: Digestibility of dry matter, digestibility of organic matter, red Seaweed Gracilaria sp, Beef Cattle

Abstract

Background. Research with the title “Effect of Red Seaweed (Gracilaria sp.) Supplemented in Beef Cattle Feed to digestibility of dry matter and organic matter with in Vitro method” was conducted at October 4^th 2017 to February 24^th 2018 at Animal Feedstuff Science Laboratory and Animal Nutrition Science Laboratory, Faculty of Animal Science, Jenderal Soedirman University. The aim of research was to evaluated the effect of Gracilaria sp. supplementation to digestibility of dry matter and organic matter with in vitro method. Materials and methods. Material of the study were rumen fluid from 3 local beef cattle which was taken from Bantarwuni slaughter house, concentrate from Bata Feed, red seaweed Gracilaria sp, sets of equipment to measure digestibility of dry matter and organic matter. The method of this research was experimental method in vitro used Completely Randomized Design (CRD) that consisted of 5 treatments and each treatment was repeated 4 times. The applied treatment was of R1 = forage 40% + concentrate 60 % (CP=12% and TDN=60%) , R2 = R1 + Gracilaria sp. 2% of R1; R3 = R1 + Gracilaria sp. 4% of R1; R4 = R1 + Gracilaria sp. 6% of R1; R5 = R1 + Gracilaria sp. 8% of R1. Variable observed were digestibility of dry matter and organic matter, data were analyzed using variance analysis and continued orthogonal polynomial test. Conclusion. Digestibility of dry matter and organic matter feed beef was influenced caused by supplemented Gracilaria sp.

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