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INTERAKSI UMUR DAN KONSENTRASI KUNING TELUR AYAM DALAM PROSES FATLIQUORING PENYAMAKAN KULIT KELINCI

RLMS. ARI WIBOWO


ABSTRACT

The research aims to examine the correlation between egg lifetime and the yolk concentration, and to know their effect on the tensile strengths, i.e. tense and stretch of local rabbit skins. The research used the experimental method. The basic design was Completely Randomized Design (CRD) with factorial design (3×3) and replicated three times. The treatments were 0, 1, and 2 weeks of egg lifetimes, and 8, 10, and 12 percents of the yolk concentrations. The research results show that there was no correlation between the egg lifetime and the yolk concen¬tration toward the tensile strength of local rabbit skins. The age of eggs did not significantly influ¬ence the tensile strength. But, the yolk con¬centration gives very significant effect (P<0,01) toward the tensile strength of local rabbit skins. The relation graph between the yolk concentration and the tensile strength was linear, with the tense strength formula was Y = 20.98 + 7.90X with R2 = 52.37 percent and r = 0.72 and the stretch strength formula was Y = 51.22 + 2.16X with R2 = 45.76 percent and r = 0.68. The conclusion of the research results showed that the increasing of yolk concentration from 8 to 12 percent, as a fat liquoring agent on synthetic chrome bating process can linearly improve the tensile strengths of local rabbit skins, whereas the egg lifetime up to two weeks did not affect them.

Keywords: Fat liquoring, rabbit skins, yolk

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