Feed consumption greatly affects chicken growth. Local feed ingredients have the potential as poultry feed ingredients, such as fermented cassava peel and papaya leaves. This study aims to determine the effect of providing fermented cassava peel and papaya leaf flour feed ingredients on the growth of native chickens, including weight gain, feed consumption, feed conversion, and protein consumpt…
Oligozoospermia, occurs in 34.14% of male infertility cases, define as sperm concentration counted less than 15 million sperm/mL/ejaculation. One of the factor that affects sperm concentration is epigenetic factors, including DNA methylation. We hypotized that sperm concentration is affected by the DNA methylation of H19 gene, a significant gene in fetal growth and development, especially in th…
This study examines critical issues in the protection and management of peatlands in Bengkalis Island, Bengkalis Regency. Despite their crucial role in carbon sequestration and biodiversity conservation, peatlands in this area have suffered degradation due to deforestation, forest fires, and unsustainable land-use practices. This study evaluates the implementation of Good Environmental Gove…
This study aims to produce a higher Order Thinking Skills (HOTS) instrument that is valid, reliable, has a good discriminating power and difficulty level in order to train high-level thinking skills of Phase D students. Penelitian ini menggunakan model pengembangan tipe development studies yang terdiri dari dua tahapan yaitu preliminary yang terbagi menjadi analysis dan desain, serta formative …
This study aims to determine the improvement in student learning outcomes through the TGT learning model using the Baamboozle application. The research method used in this study was an experiment with a one-group pretest and posttest design. The study was conducted at SMAN 1 Kampar Utara with class XI.1 as the experimental class. The data collection methods used in this study were achievement t…
Penelitian ini berjudul “Pengaruh Layanan Bimbingan Kelompok dengan Teknik Sosiodrama untuk Mengurangi Perilaku Agresif Verbal Siswa”. Penelitian ini dilakukan dengan tujuan untuk mengetahui gambaran perilaku agresif verbal siswa sebelum dan sesudah diberikan layanan bimbingan kelompok dengan teknik sosiodrama, perbedaan sebelum dan sesudah dilakukannya layanan bimbingan kelompok denga…
Fusarium oxyforum f. sp cubense (Foc TR4) is agent of Fusarium wilt disease that significantly threaten banana existence. Two banana cultivars, awak and lilin, have been previously reported potential resistant against Fusarium wilt disease. NBS- LRR (Nucleotide Binding Site-Leucine Rich Repeat) gene is the largest group of R genes that play an important role in disease resistance. Purpose of th…
This research, conducted in Sepahat Village, Bengkalis Regency, Riau, aimed to reveal the morphological and morphometric characteristics of Avicennia alba pneumatophores in intertidal habitats experiencing sediment accretion. Pneumatophore samples were collected along transect lines, set at 10-meter intervals perpendicular to the coastline. From 34 excavatable pneumatophores, findings showed th…
Fusarium wilt disease caused by the fungus Fusarium oxysporum f. sp. cubense Tropical Race 4 (Foc TR4) is one of the main diseases of banana plants that can significantly reduce productivity and quality bananas. Previous study showed that three banana cultivars (susu merah, nangka and batu) were potentially resistant to Foc TR4. Therefore, purpose of this study was to analyze NBS-LRR sequence o…
Plankton are microscopic organisms that live on the surface of the water, whose movement follows the current, and can serve as bioindicators of aquatic ecosystems. The tributary of the Rokan River is located near residential areas, meaning various human activities can potentially affect the surrounding water quality. This study aims to identify the types of plankton that function as bioindicato…
Tetracera scandens (L.) Merr. That commonly known as ampelai kijang, is a plant traditionally used to treat respiratory disorders, hepatitis, diabetes, and HIV infections. In addition to its cultural significance, this plant contains various secondary metabolites with pharmacological potential. However, studies on its active compounds and applications is limited. This study aimed to characteriz…
This study aimed to isolate endophytic bacteria from Sintrong (Crassocephalum crepidioides) and evaluate their antibacterial activity against the pathogenic bacteria Escherichia coli and Staphylococcus aureus. Isolation was conducted using the direct planting technique, followed by partial characterization to obtain pure isolates. Antibacterial activity was tested using the disc diffusion metho…
Ruku-ruku (Ocimum tenuiflorum) is one species belongs to Lamiaceae family that has a shrub habitus with an average height of 30-60 cm and single-leafed. Ruku- ruku leaves have medicinal properties. This study aims to characterize the anatomical structure of ruku-ruku leaves and determine the location of secondary metabolite compounds contained therein. The methods used were paraffin, paradermal…
The Kampar Kiri River has experienced a decline in the number of fish species due to activities around the waters such as residential areas, industry and so on. The available data and complete information about the species of fish in the Kampar Kiri River are still very lacking, especially in Mentulik and Rantau Kasih Villages, so it is necessary to conduct research on the inventory of fish spe…
ABSTRACT The banking sector plays a crucial role in a nation's economy, serving not only as a guardian of financial stability but also as an institution responsible for addressing environmental issues. Although not directly contributing to pollution, banks can promote sustainability through green banking practices. Indonesian banking profitability has shown a declining trend from 2013 to 2024,…
This study aims to determine the factors that influence the human development index in the Meranti Islands Regency. The data used in this study are time series data during the period 2010-2024. This study uses multiple linear regression methods to determine how much influence the independent variable has on the dependent variable. This research was analyzed using the Eviews-12 application. Thi…
Penelitian ini berjudul “Pengaruh Konseling Kelompok dengan Teknik Cognitive Restructuring untuk Mengurangi Perilaku Impulsive Buying Siswa di SMA Negeri 1 Pekanbaru”. Penelitian ini bertujuan untuk mengetahui gambaran perilaku impulsive buying siswa sebelum dan sesudah diberikan layanan konseling kelompok dengan teknik cognitive restructuring, mengetahui perbedaan perilaku impulsive b…
Fertilizer plays a crucial role in increasing food and horticultural crop yields. Currently, the majority of farmers rely on inorganic fertilizers to support their agricultural activities. Besides being expensive, the continued use of inorganic fertilizers can negatively impact the environment and soil fertility. Utilizing organic waste such as pineapple and jackfruit peels as raw materials for…
Penelitian ini sesuai dengan data di lapangan yang dilakukan di SMP Negeri 25 Pekanbaru. Peneliti mengukur kemampuan siswa dengan menggunakan bantuan media visual yaitu komik strip. Peneliti juga melakukan observasi dengan mewawancara beberapa siswa, hasil wawancara bersama dengan beberapa siswa kelas VII SMP Negeri 25 Pekanbaru, bahwa siswa tersebut berpendapat materi menulis teks deksrip…
This study Investigated the types and reasons for code-switching used by students of the English Study Program at Riau University in WhatsApp group communication. As digital communication has increasingly expanded into academic and social interactions, code-switching has emerged as a common linguistic behavior among bilingual and multilingual speakers. By employing a qualitative content analysi…