Department of Biology: Recent submissions
Now showing items 981-1000 of 1257
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Pengaruh Ekstrak Daun Sikkam (Bischofia javanica) Terhadap Gambaran Histologis Ginjal Tikus (Rattus norvegcicus) Yang Diinduksi Diabetes Dengan Aloksan
(Universitas Sumatera Utara, 2021)The effect of an ethanol extract of bishopwood (Bischofia javanica) leaves on the histological feature of the kidney in the alloxan-induced diabetic rat (Rattus norvegicus) was studied from February 2020 to November 2020. ... -
Aktivitas Antioksidan Ekstrak Daun Pirdot (Saurauia vulcani Korth.) dan Efeknya terhadap Mikrostruktur Ginjal Mencit (Mus musculus L.) Model Diabetes Tipe 2
(Universitas Sumatera Utara, 2021)Pirdot merupakan salah satu tumbuhan endemik Sumatera Utara. Beberapa penelitian menunjukkan bahwa ekstrak daun pirdot mampu menurunkan kadar gula darah pada penderita diabetes tipe 2. Tujuan dari penelitian ini adalah ... -
Pola Asuh (Parental Care) Kuntul Kerbau (Bubulcus Ibis ) pada Habitat Alami di Penangkaran Buaya Asam Kumbang dan Habitat Buatan dengan Teknik Inkubasi
(Universitas Sumatera Utara, 2021)Cattle egret (Bubulcus ibis) is one of the smallest avifauna species in family Ardeidae. Type of bird breeding is semi-altricial, where the chicks still need a mother to fulfill their needs. Population of the bird is ... -
Perilaku Makan Induk dan Anak Gajah Sumatera (Elephas Maximus-Sumatranus) di Conservation Response Unit (Cru) Tangkahan, Langkat, Sumatera Utara
(Universitas Sumatera Utara, 2021)The Sumatran elephant (Elephas maximus-sumatranus) is a subspecies of the asian elephant found on the island of Sumatra. Sumatran elephants consume various types of plants in nature. Mother and calves are thought to consume ... -
Perilaku bermain pada Anak Gajah (Elephas Maximus-Sumatranus) di Conservation Response Unit (Cru) Tangkahan, Langkat, Sumatera Utara
(Universitas Sumatera Utara, 2021)Animal Behavior is termed as all activities influenced from the response by an animal to their environment. Elephant behavior is divided into individual and social or group, and daily behaviors. One of the behaviors of the ... -
Potensi Keratinase Jamur dan Bakteri Asal Sumatra Utara
(Universitas Sumatera Utara, 2020)Keratinolytic fungal activities can be utilized in the hydrolysis process of keratin waste as an alternative biotechnology to recycle and improve sales value. The present inquiry was done to isolate keratinolytic fungi ... -
Efek Ekstrak Buah Andaliman (zanthoxylum acanthopodium dc.) Terhadap Gambaran Histologis Pulmo tikus (rattus norvegicus l.) Model Kanker Serviks
(2021)The research about the effects of andaliman fruit extract (Zanthoxylum acanthopodium DC.) to the histological images of the pulmonary rat (Rattus norvegicus L.) cervical cancer model has been carried out from July 2019 ... -
Efek Ekstrak Etanol Daun Pirdot (saurauia vulcani k.) Terhadap Kadar Gula Darah dan Mikrostruktur Pankreas Mencit (mus musculus l.) Model Diabetes Tipe 2
(2021)Research on the effect of pirdot (Saurauia vulcani K.) leaf ethanol extract on blood glucose levels and pancreas microstructure in type 2 diabetic mice (Mus musculus L.) model has been done from June until October 2020. ... -
Deteksi Rice Tungro Bacilliform Virus (rtbv) Penyebab Penyakit Tungro pada Tanaman Padi (oryza sativa l.) di Kabupaten Simalungun Sumatera Utara dengan Teknik PCR
(2021)Rice Tungro Bacilliform Virus (RTBV) is a virus causes tungro disease on rice plants. The virus causes a decreasing of rice crops production in Simalungun District. RTBV cannot be diagnosed only by looking at morphological ... -
Pertambahan Bobot dan Komposisi Kimia Susu Domba Waringin (Ovis Aries) yang Diberi Pakan Hijauan dan Campuran Hijauan Konsentrat di Kelurahan Sidomulyo, Kecamatan Stabat, Sumatera Utara
(2021)This objective of this study was to observe the effect of forage and forage concentrate on body weight, feed conversion and milk composition of sheep (Ovis aries). This study was conducted from July to October 2020 at the ... -
Hematologi dan Infeksi Parasit Darah Kuda Sumba (equus caballus) di Taman Satwa Citra Pesona Ladangku, Sumatera Utara
(2021)Blood parasite infection can be detected by hematology examination. The aims of the study was to look into hematology of Sumbanese horse as well as the types of blood parasite, the in the Sumba horse in Citra Pesona Ladangku ... -
Inventarisasi Tumbuhan Paku Kelas Filicinae di Kawasan Hutan Batang Toru Blok Barat Kabupaten Tapanuli Utara, Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2020)Batang Toru Forest is one of the biodiversity conservation areas in North Sumatra inhabited by various flora and fauna, one of which is the ferns. A study on pteridophytes in the Batang Toru Forest Area has never been ... -
Inventarisasi Zingiberaceae di Kawasan Hutan Batang Toru Blok Barat Kabupaten Tapanuli Utara Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2020)Zingiberaceae is one of the dominating plant family in West Block, Batang Toru forest region. According to preliminary survey, the forest is inhabited by many species of Zingiberaceae while information on its species ... -
Uji Kombinasi Bakteri Penambat Nitrogen dan Pelarut Fosfat yang di Isolasi dari Tanah Perkebunan Berastagi dalam Meningkatkan Pertumbuhan Kacang Kedelai (Glycine max (L.) Meriil)
(Universitas Sumatera Utara, 2019)Soybean (Glycine max (L.) Meriil) is the most widely consumed source of vegetable protein for Indonesian people. Soybean production in the country is not able to meet the needs of the community so that various efforts are ... -
Keragaman Ikan Karang Famili Chaetodontidae di Perairan Pulau Panjang Kabupaten Aceh Singkil
(Universitas Sumatera Utara, 2019)The research with the title” Diversity Of Family Chaetodontidae Coral Fish In Pulau Panjang Water Of Aceh Singkil District” have been done at July 2016. The research is done with the method of “Purposive Random Sampling” ... -
Uji Kemampuan Jamur Keratinolitik yang Diisolasi dari Tanah Peternakan Ayam dan Kambing dalam Mendegradasi Limbah Bulu Ayam
(Universitas Sumatera Utara, 2020)An effort to get fungal isolate which are potential to degrade chicken feather has been conducted. This study aimed to identify and determine the potency of keratinolytic fungi isolated from chicken and goat livestock soil ... -
Karakteristik Morfologi dan Anatomi Tanaman Biwa Asam dan Manis (Eriobotrya japonica Lindl.) di Sumatera Utara
(Universitas Sumatera Utara, 2019)This study was conducted in July 2018 at the Laboratory of Physiology and Plant Tissue Culture, Department of Biology, Faculty of Mathematics and Natural Sciences, University of Sumatera Utara, Medan. Biwa (Eriobotrya ... -
Balanophora di Kawasan Hutan Batang Toru Blok Barat, Kabupaten Tapanuli Utara, Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2020)Indonesia’s forest are tropical forest that contains many kind of plants, including parasite. Parasitic plants were separated into hemiparasite and holoparasite. Balanophoraceae is a holoparasitic plant and Balanophora was ... -
Keanekaragaman Ikan di Lau Kawar Desa, Kuta Gugung, Kabupaten Karo, Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2020)The research of fish diversity in Lau Kawar Lake, Kutagugung Village, Karo Regency, North Sumatera Province was conducted in July 2019 with the aim to analyz Fish diversity and its relationship to the physical-chemical ... -
Kepadatan Populasi Ikan Kaca (Parambassis siamensis, Fowler 1937) di Danau Toba Kecamatan Silahisabungan Kabupaten Dairi
(Universitas Sumatera Utara, 2020)Research on the Population Density of Glassfish (Parambassis siamensis) on the Lake Toba in Silahisabungan sub-district Dairi district was conducted from January to May 2019. The aim of this research was to analyze the ...