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FM Suhartati
Faculty of Animal Science, Jenderal Soedirman University, Purwokerto, Indonesia
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Veterinary

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Concentration of Partial VFA and Methane Production of Beef Cattle Rument Fluid which Red Dragon Fruit Skin (Hylocereus costaricensis) and Guava Leaf (Psidium guajava L.) in Ammoniated Rice Straw Based Ration Aziz Nur Rahmat; Wardhana Suryapratama; FM Suhartati
ANIMAL PRODUCTION Vol. 22 No. 3 (2020)
Publisher : Faculty of Animal Science, Jenderal Soedirman University in associate with the Animal Scientist Society of Indonesia (ISPI) and the Indonesian Association of Nutrition and Feed Science (AINI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jap.2020.22.3.21

Abstract

The research aimed to examine the effect of red dragon fruit skin and guava leaves supplemented into beef cattle feed on the concentration of partial VFA and methane gas production. The in vitro study was conducted in a completely randomized design (CRD) with 3 treatments, namely P0: 50 % concentrate + 50 % ammoniated straw (Control), P1: 50 % concentrate + 50 % ammoniated straw + 5 % red dragon fruit skin flour, and P2: 50 % concentrate + 50 % ammonia straw + 5 % red dragon fruit skin flour + 2.5 % guava leaf flour. The concentrate consisted of 2 parts of rice bran and 1 part of coconut meal. The ratio of concentrat and ammoniated rice straw was 50:50. Each treatment was repeated 6 times. The results showed that the concentration of acetic acid, butyrate and methane gas decreased while the concentration of propionate increased with the addition of red dragon fruit and guava leaves. The research concluded that the addition of 5 % red dragon fruit skin flour combined with 2.5 % guava leaves flour in beef cattle feed could further reduce the concentration of acetic acid, butyric acid and the production of methane gas, but increase the concentration of propionic acid. It is suggested that defaunated agents of red dragon fruit skin and guava leaves could reduce the production of methane gas in the rumen of beef cattle.
Indigofera zollingeriana Leaf Extract Reduces Sheep Rumen Methane Production in Vitro FM Suhartati
ANIMAL PRODUCTION Vol. 22 No. 1 (2020)
Publisher : Faculty of Animal Science, Jenderal Soedirman University in associate with the Animal Scientist Society of Indonesia (ISPI) and the Indonesian Association of Nutrition and Feed Science (AINI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jap.2020.22.1.39

Abstract

An experimental study aimed at assessing the reduction of gas methane production in thin-tailed sheep through the use of Indigofera zollingeriana leaf extract was conducted from May to September 2019 at Animal Nutrition and Feed Laboratory, University of Jenderal Soedirman Purwokerto. A One Way Classification of Completely Randomized Design (CRD) experiment was employed. The treatment included Indigofera zollingeriana leaf extract with levels of 0%, 0.40%, and 0.80% of feed dry matter and each treatment was repeated six times so that there were 18 experimental units. The feed provided consisted of 60% concentrate and 40% ammoniated rice straw. The concentrate consisted of coconut cake and rice bran with a ratio composition of 1:2. The material used was rumen fluid obtained from three thin-tailed sheep, sampled from the Sokaraja slaughterhouse immediately after the sheep were slaughtered. In vitro incubation was carried out for four hours. The variables measured included protozoan population, methane gas production and bacterial populations. The data obtained were then analyzed using analysis of variance and continued with the Orthogonal Polynomial test. The use of 0.80% Indigofera zollingeriana leaf extract can reduce the protozoan populations, methane gas production and can increase the bacterial populations of sheep rumen fluid.
Co-Authors Aziz Nur Rahmat Wardhana Suryapratama