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All Journal BIOEDUKASI Mimbar Sekolah Dasar
Eko Susetyarini
University of Muhammadiyah Malang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Library & Information Science

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NEW ZEALAND RABBIT’S SPERMATOZOA AFTER THE TREATMENT OF TANNIN EXTRACTION OF Pluchea indica Eko Susetyarini; Poncojari Wahyono; Roimil Latifa; Endrik Nurrohman
BIOEDUKASI Vol 18 No 2 (2020)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v18i2.19882

Abstract

This current research aimed at investigating the structure and average size of New zealand rabbit’s spermatozoa. This research employed experimental design and was conducted in Chemical Engineering Laboratory of State Polytechnic of Malang and Biology Laboratory of University of Muhammadiyah Malang. This research was initiated from August to September 2019. The design of this research was specifically Completely Randomized Design, with four treatments of tannin extraction of Pluchea indica, and control with oral nasogastric with the dose of 3 ml/kgbb in four-time repetitions. A light microscope and Scanning Electron Microscope (SEM) were used for observation. One-way ANOVA was used for data analysis. As for the control group, the spermatozoa were found normal. Whilst, with reference to the three other treatments, the spermatozoa were seen to be abnormal, with apparent dilation in the neck, pseudo-droplet (bumpy neck), and dag defect (twisted tail). Based on the results, there was an influence of tannin extraction of Pluchea indica on the abnormality of New zealand rabbit’s spermatozoa (with p<0.05). Regarding the size of the spermatozoa, the average length of spermatozoa was 8.74 µm for the head, 1.86 µm for the upper neck, and 56.48 µm for the tail. With reference to HOS (Hypo-Osmotic Swelling) test, it showed that abnormal spermatozoa was in the form of severance of the head and the tail, as well as dag defect. To sum up, this research has indicated that the condensed tannin extraction contributes a similar effect to that of the pure one on the structure of spermatozoa.
Exploring IPAS through Learning Styles: An Analysis of the Influence of Learning Styles on Students’ Conceptual Understanding at SD Alam Islami Ega Januardi; Mohammad Syaifuddin; Yus Mochamad Cholily; Eko Susetyarini
Mimbar Sekolah Dasar Vol. 13 No. 1 (2026)
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/mimbar-sd.v13i1.61

Abstract

Accelerated rates of social and technological change require learning systems that develop scientific thinking, character, and problem-solving abilities beginning at the elementary school level. This research investigates the impact of learning styles, namely, visual, auditory and kinesthetic, on students’ conceptual understanding in IPAS (Integrated Natiral and Social Sciences) at a primary school in Bekasi. In a classroom-based quantitative study, a validated learning style questionnaire and force-related multiple-choice tests were administered to gather data. The assumptions for the analyses were met and tested for normality, as well as homogeneity. The product-moment correlation was used to examine the relationships among the variables, and the significance and proportion of explained variance were also tested. There was a significant positive and useful effect between learning style and conceptual understanding as the findings indicated. Students who preferred visual learning obtained higher levels of understanding when learning was embalmed with visualizations; kinesthetic and auditory learners gained when the instructional strategies were similarly focused on their modality strengths. In total, learning styles explained about one-third of the variance in performance, the rest was related to teaching methods, learning environments and motivation. The research proposes that learner-centered differentiation techniques considering a variety of learning styles may enhance better engagement and depth of conceptual learning. Practical implications are related with what teacher professional development in multimodal pedagogical design and curriculum development should be that is based on the laboratory work with discussion and visual material in the direction of supporting learner diversity.
Co-Authors Ega Januardi Endrik Nurrohman Mohammad Syaifuddin Poncojari Wahyono Roimil Latifa Yus Mochamad Cholily