The In Sacco Degradability Of Dry Matter And Crude Protein Of Soybean Meal And Peanut Cake Treated At Different Temperature And Time (Author: La Van Kinh and Nguyen Van Phu)

La Van Kinh(1) and Nguyen Van Phu(¹⁾

SUMMARY

The in sacco experiment was conducted on 2 Red Sindhi cows installed T-cannula to evaluate degradability potential of dry matter and crude protein of soybean meal and peanut cake treated at different temperature and time in the rumen. The incubation periods in rumen were 12 and 24 hours. The degradability of each material was assessed in five treatments (four with heat treatments and one without heat treatment) with two replicas. The samples were put into rumen at 8 am and 8 pm and simultaneously taken out at 8 am next day. Each material was performed on two different cows at the same time. After removed from rumen, samples were soaked immediately in ice to limit the growth of microorganisms and washed under running water tap until the washing water was clear. All samples were dried at 60⁰C and then analyzed for crude protein content. Results indicated that soybean meal treated at 125⁰C - 90 minutes gave the best undegradable dry matter (59.3%) and undegradable protein (41.9%) after 24 hours incubation in the rumen. While, peanut cake showed the best results on undegradable dry matter (59.5%) and undegradable protein (47.1%) with heat treatment at 125⁰C - 60 minutes.

Keywords: In sacco, soybean meal, peanut cake, undegradable nitrogen, undegradable dry matter, heat treatment, Red Sindhi cow

From: Vietnam Journal of Agriculture & Rural Development

The Eleven year No. 175 – 2011, page 49-53dd

Author: La Van Kinh  Email: kinh.lv@iasvn.org

⁽¹⁾Insititute of Agricultural Science for Southern Vietnam