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All Journal BIOTROPIA - The Southeast Asian Journal of Tropical Biology Jurnal Pendidikan Biologi Indonesia
Hindun Syarifah, Hindun
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Veterinary

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METACOGNITIVE SKILLS AND MOTIVATION DIFFERENCES BETWEEN MALE AND FEMALE Xth GRADE STUDENT OF PUBLIC SENIOR HIGH SCHOOL IN MALANG THROUGH READING QUESTIONING AND ANSWERING (RQA) COMBINED WITH THINK PAIR SHARE (TPS) LEARNING STRATEGY Syarifah, Hindun; Indriwati, Sri Endah; Corebima, Aloysius Duran
Jurnal Pendidikan Biologi Indonesia Vol 2, No 1 (2016): MARCH
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (356.906 KB) | DOI: 10.22219/jpbi.v2i1.3367

Abstract

Student diversity issue in school is one of the subjects in educational research. The quite apparent problem of student diversity in the school is gender differences. Male and female are different in some ways. Several studies have revealed the influence of gender differences on a wide range of students abilities. Mahanal (2011) revealed that there was an effect of gender differences on metacognition skills and critical thinking abilities of high school students in Malang city. This research is aimed to determine the metacognition skills and motivation differences of male and female student on the biology subject through the implementation of Reading Questioning and Answering (RQA) combined with Think Pair Share (TPS) learning strategies. This research used quasy-experiment of pre test- post test nonequivalent group design. The research populations were all of
TEA SAPONIN MODULATES IN VITRO RUMEN FERMENTATION PROFILE AND REDUCES METHANE PRODUCTION: A META-ANALYSIS Yanza, Yulianri Rizki; Mahmudah, Nurhayatun; Hidayat, Cecep; Jayanegara, Anuraga; Fitri, Ainissya; Ramadhani, Fitri; Syarifah, Hindun; Basri Jumin, Hasan; Andrian, Dedek; Melissa, Melissa; Fauziah, Nurul; Adhar Effendi, Leo
BIOTROPIA Vol. 30 No. 1 (2023): BIOTROPIA Vol. 30 No. 1 April 2023
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11598/btb.2023.30.1.1805

Abstract

Saponins are secondary plant metabolites binding hydrophobic non-sugar components that can reduce ruminant methane (CH4) production. Previous studies revealed that tea saponin is one of the common sources of saponins used to reduce enteric CH4 production. However, the effect of different levels of dietary tea saponin on rumen fermentation remains inconclusive. This study aimed to investigate the effect of tea saponin on in vitro rumen fermentation and methane production through a meta-analysis approach. A total of 6 articles were selected and included in the meta-analysis database, continued by the statistical analysis using SAS software through mixed model formula. The results showed that tea saponin levels lowered in vitro organic matter degradability (IVOMD) and in vitro dried matter degradability (IVDMD; P=0.01) by a linear response. Furthermore, increased tea saponin levels in the diet reduced enteric CH4 emission expressed as CH4/DM substrate and CH4/IVOMD by a quadratic (P=0.01) and a linear response (P=0.04), respectively. Increased tea saponin levels also tended to decrease gas production linearly (P=0.08). Tea saponins inclusion also decreased pH levels linearly (P=0.04) but increased NH3 quadratically (P=0.01). Moreover, total VFA concentration in the rumen also raised quadratically, followed by the increased acetate (C2) and propionate (C3) proportion by a linear response (P<0.05). As a result, the C2/C3 ratio was decreased in a linear response (P=0.01) by the increased tea saponin levels, where the protozoa population was also diminished by a quadratic response (P=0.01). In conclusion, tea saponin levels directly reduced enteric CH4 production by diminishing microbial populations.
Co-Authors Aloysius Duran Corebima Andrian, Dedek Anuraga Jayanegara Basri Jumin, Hasan Cecep Hidayat Effendi, Leo Adhar Fitri Ramadhani Fitri, Ainissya Mahmudah, Nurhayatun Melissa Melissa Nurul Fauziah Sri Endah Indriwati Yanza, Yulianri Rizki