Consolidation of Usability Problems With Novice Evaluators Re-Examined in Individual vs. Collaborative Settings

2019 ◽  
Vol 31 (6) ◽  
pp. 525-538
Author(s):  
Rebekka Hoffmann ◽  
Anna Helga Jónsdóttir ◽  
Ebba Thora Hvannberg
Keyword(s):  
Data Analysis ◽  
Group Decision ◽  
Usability Testing ◽  
Accuracy Rate ◽  
Consolidation Process ◽  
Positive Group ◽  
Usability Problems ◽  
Significant Difference ◽  
Within Subjects

Abstract Usability testing can involve multiple users and evaluators. In such cases, consolidating usability problems (UPs) constitutes an essential part of data analysis. In a between-subjects design, this study aims to re-examine a previous study by comparing the results of novice evaluators merging UPs individually vs. collaboratively and to assess the quality of the final UP lists, by computing the merging rate and the accuracy rate, respectively. Law and Hvannberg compared the results of evaluators merging UPs individually vs. collaboratively in a within-subjects design, revealing a tendency towards merging UPs in collaborative settings. In the present study, 45 novice evaluators consolidated four UP lists into a single UP master list while working alone or with a partner. The results showed no significant difference between evaluators in the two settings, suggesting that the UP consolidation process does not benefit from positive group decision effects.

scholarly journals MUTU ORGANOLEPTIK COOKIES DENGAN PENAMBAHAN TEPUNG BEKATUL DAN IKAN KEMBUNG

2019 ◽  
Vol 26 (1) ◽  
pp. 8
Author(s):  
Nadimin Nadimin ◽  
Sirajuddin Sirajuddin ◽  
Nuraliah Fitriani
Keyword(s):  
Fatty Acids ◽  
Data Analysis ◽  
Rice Bran ◽  
Group Comparison ◽  
Additional Food ◽  
Significant Difference ◽  
Quality Difference ◽  
Made In ◽  
Color Texture

Additional food should use inexpensive and reasonably-available local foodstuffs such as bran and mackerel. Bekatul has a nutrient producing nutrients that are high enough but not yet utilized optimally. While bloating is an essential source of protein and fatty acids that are essential for growth. This research aims to determine the quality of organoleptik Cookies add starch and pufferfish.Research using the design of group comparison design, comparing the quality of the original including Cookies (F1) and cookies replenishment of rice bran and pufferfish (F2). Organoleptik quality is assessed sensory based on the favorite level of panelist against the color, texture, aroma and flavor aspects. The favorite level is made in six levels ranging from dislikes to very very fond (score 1-6). Data analysis using the Mann Whitney U test.Panelis who liked the color of cookies F1 62.9% and cookies F2 57.1%, liked the texture of cookies F1 65.7% and cookies F2 65.7%. Panelist who likes to aroma cookies F1 85.7% and cookies F2 54.3% and likes to taste cookies F1 82.9% and cookies F2 62.9%. There is no quality difference organoleptik between the F1 cookies and cookies F2 of the color aspects (P = 0,511) and texture (P = 0,787). There is a significant difference in the quality of organoleptik between the F1 cookies and cookies F2 from the aroma aspect (P = 0,003) and flavor (P = 0,013). U.Addition of rice bran and mackerel does not affect the quality of organoleptik from the color and tektur aspects, but can reduce the quality of organoleptik from the aroma and color aspects of cookies. It is necessary to reduce the concentration of bloated fish flour and add other ingredients that can mask the aroma and flavor of fish.

scholarly journals Pengaruh Kualitas Produk, Merek Dan Promosi Terhadap Loyalitas Pelanggan Rokok

Manajerial ◽  
2017 ◽  
Vol 9 (1) ◽  
pp. 21
Author(s):  
Ruly Frans Pardede ◽  
Hamdy Hadi
Keyword(s):  
Data Analysis ◽  
Data Collection ◽  
Customer Loyalty ◽  
Sampling Technique ◽  
Quantitative Approach ◽  
Tobacco Products ◽  
Analysis Technique ◽  
Significant Difference ◽  
Data Collection Technique

<p align="justify">This study uses a quantitative approach to data collection technique using a questionnaire. The population used in this study are all customers who use tobacco products Gudang Garam International, while method of sample using accidental sampling technique is the technique of sample withdrawal by chance, so the number of samples obtained as many as 100 people. The data analysis technique used in this study is the analysis of regression and correlation. The results revealed a significant difference between the quality of the product, brand and promotion jointly on customer loyalty cigarettes Gudang Garam International. The result proved that the customer loyalty is assumed to be positively affected by the price and the service that pertain in Alakasa Extrusindo Company. The result proved that the customer loyalty was simultaneous affected by the price and service.</p><p> </p>

scholarly journals Pengaruh Pemberian Ekstrak Kijing (Pilsbryoconcha exilis) Pada Pemulihan Kualitas Sperma Mencit (Mus musculus)

2019 ◽  
Vol 3 (1) ◽  
pp. 40-44
Author(s):  
Erna Yunita Sari ◽  
Bhakti Karyadi ◽  
Aceng Ruyani ◽  
Choirul Muslim
Keyword(s):  
Data Analysis ◽  
Mus Musculus ◽  
Sperm Quality ◽  
Statistical Test ◽  
Design Model ◽  
Real Difference ◽  
Randomized Design ◽  
Significant Difference ◽  
Qualitative Descriptive

ABSTRACT[Effect of Kijing Extract (Pilsbryoconcha exilis) on the Recovery of Sperm Quality in Mice (Mus musculus)]. This study aims to determine the effect of Pilsbryoconcha exilis extract on the quality of M. muscullus sperm. The approach used for the study was experiment with a complete randomized design model. In this study, 4 treatments and 5 replications were conducted, including treatment 1 which only administered aquades as control (P0), treatment 2 which only given paracetamol dose 250 mg / kg (P1), and treatment 3 given paracetamol dose 250 mg / kg and P. exilis extract dose 0,46 mg / g (P2) and treatment 4 given paracetamol 250 mg / kg and extract P. exilis 0,69 mg / g (P3). Technique of data analysis using qualitative descriptive and statistical test of One Way Annova parametry, and if obtained significant difference then continued statistic test of Smallest Real Difference. From the results of the study, it was found that P. exilis and paracetamol extract had no effect on sperm quality. Keywords: Sperm; M. muscullus; extract P. exilis; paracetamol.(Received August 14 , 2018; Accepted January 20, 2019; Published February 26, 2019) ABSTRAKPenelitian ini bertujuan untuk mengetahui pengaruh pemberian ekstrak Pilsbryoconcha exilis terhadap kualitas sperma M. muscullus yang diberi parasetamol. Pendekatan yang digunakan untuk penelitian adalah eksperimen dengan model rancangan acak lengkap (RAL). Pada penelitian ini menggunakan 4 perlakuan dan 5 ulangan meliputi perlakuan 1 yang hanya diberikan aquades merupakan kontrol (P0), perlakuan 2 yang hanya diberikan parasetamol dosis 250 mg/kg bb (P1), dan perlakuan 3 yang diberikan parasetamol dosis 250 mg/kg bb dan ekstrak P. exilis dosisi 0,46 mg/g bb (P2) dan perlakuan 4 yang diberikan parasetamol 250 mg/kg bb dan ekstrak P. exilis 0,69 mg/g bb (P3). Teknik analisa data menggunakan deskriptif kualitatif dan uji statistik parametri One Way Annova, dan jika didapatkan perbedaan yang bermakna maka dilanjutkan uji statistic Beda Nyata Terkecil (BNT). Dari hasil penelitian diketahui pemberian ekstrak P. exilis dan parasetamol berepengaruh tapi tidak signifikan terhadap kualitas sperma. Kata Kunci: Sperma; M. muscullus; ekstrak P. exilis; parasetamol.

scholarly journals Perancangan Usability Website Interface Sistem Informasi Kerusakan Laboratorium Universitas AMIKOM Yogyakarta

Respati ◽  
2017 ◽  
Vol 12 (3) ◽  
Author(s):  
Mulia Sulistiyono
Keyword(s):  
Usability Testing ◽  
Ease Of Use ◽  
Mobile Technologies ◽  
Heuristic Evaluation ◽  
User Testing ◽  
First Semester ◽  
Software Applications ◽  
Usability Problems ◽  
Usability Analysis

INTISASIUsability sebagai ukuran kualitas pengalaman pengguna seringkali dikatakan sebagai suatu nilai penerimaan (acceptance) seseorang terhadap suatu produk ketika berinteraksi dengan sebuah antarmuka. Termasuk situs web, aplikasi perangkat lunak, teknologi bergerak, maupun peralatan-peralatan lain yang dioperasikan oleh pengguna. Kata usability mengacu pada sebuah metode yang digunakan untuk meningkatkan kemudahan penggunaan selama proses desain. Sistem Informasi Pelaporan Kerusakan Laboratorium (SIPKL) berfungsi memberikan segala bentuk informasi kerusakan yang terjadi didalam laboratorium. SIPKL merupakan sistem yang baru digunakan mulai semester genap tahun 2014, banyak sekali tanggapan dari para penggunanya yang terdiri dari : asisten praktikum, dosen praktikum, student staff/teknisi lab, serta laboran sehingga perlu ada evaluasi secara detail untuk mengetahui seberapa mudah website SIPKL digunakan salah satunya dengan analisa usability. Banyak metode yang dapat digunakan untuk mengidentifikasi masalah usability terutama dari sisi interface web. Dalam penelitian ini untuk mengukur aspek usability pada SIPKL dengan metode User Testing by Expert dan Heuristic Evaluation. Semua Atribut yang diteliti dengan evaluasi heuristic menunjukkan bahwa kendali dan kebebasan pengguna (Terdapat tombol bantu saat error, nilai : 1,70)  Fitur Bantuan dan Dokumentasi (terdapat menu help, nilai : 1,50), serta  Fleksibilitas dan Efisiensi (tata letak menu yang familiar, nilai : 2,10) memiliki masalah usability dengan tingkat kepuasan yang rendah dibanding atribut yang lain. sedangkan hasil user testing by expert memberikan rekomendasi pengembangan fungsional konten, stimulus bagi pengguna agar lebih mudah menggunakan website SIPKL..Kata kunci: Usability, Website Interface, Sistem Informasi, Usability Testing, Evaluasi Heuristik ABSTRACTUsability as a measure of the quality of the user experience is often said to be a person's acceptance of a product when interacting with an interface. Includes websites, software applications, mobile technologies, and other equipment operated by the user. The usability word refers to a method used to improve ease of use during the design process. . Sistem Informasi Pelaporan Kerusakan Laboratorium (SIPKL) serves to provide all forms of damage information that occurs in the laboratory. SIPKL is a newly used system from the first semester of 2014, a lot of responses from its users consisting of: lab assistant, practicum lecturer, student staff / lab technician, and laboran so there needs to be detailed evaluation to find out how easy SIPKL website used wrong only with usability analysis. Many methods can be used to identify usability problems especially from the web interface side. In this study to measure aspects of usability on SIPKL with User Testing by Expert method and Heuristic Evaluation. All Attributes studied with a heuristic evaluation show that control and freedom of the user (There are auxiliary buttons when error, value: 1.70) Help and Documentation Feature (there is a help menu, value: 1.50), and Flexibility and Efficiency (menu layout which is familiar, value: 2.10) has usability problems with a lower satisfaction level than other attributes., whereas the result of user testing by expert gives recommendations for the development of functional content, the stimulus for the user to make it easier to use the SIPKL website.Keywords :Usability, Website Interface, Information System, Usability Testing, Heuristik Evaluation 

scholarly journals Pengaruh Pemberian Ekstrak Kijing (Pilsbryoconcha exilis) Pada Pemulihan Kualitas Sperma Mencit (Mus musculus)

2019 ◽  
Vol 3 (1) ◽  
pp. 40-44
Author(s):  
Erna Yunita Sari ◽  
Bhakti Karyadi ◽  
Aceng Ruyani ◽  
Choirul Muslim
Keyword(s):  
Data Analysis ◽  
Mus Musculus ◽  
Sperm Quality ◽  
Statistical Test ◽  
Design Model ◽  
Real Difference ◽  
Randomized Design ◽  
Significant Difference ◽  
Qualitative Descriptive

ABSTRACT[Effect of Kijing Extract (Pilsbryoconcha exilis) on the Recovery of Sperm Quality in Mice (Mus musculus)]. This study aims to determine the effect of Pilsbryoconcha exilis extract on the quality of M. muscullus sperm. The approach used for the study was experiment with a complete randomized design model. In this study, 4 treatments and 5 replications were conducted, including treatment 1 which only administered aquades as control (P0), treatment 2 which only given paracetamol dose 250 mg / kg (P1), and treatment 3 given paracetamol dose 250 mg / kg and P. exilis extract dose 0,46 mg / g (P2) and treatment 4 given paracetamol 250 mg / kg and extract P. exilis 0,69 mg / g (P3). Technique of data analysis using qualitative descriptive and statistical test of One Way Annova parametry, and if obtained significant difference then continued statistic test of Smallest Real Difference. From the results of the study, it was found that P. exilis and paracetamol extract had no effect on sperm quality. Keywords: Sperm; M. muscullus; extract P. exilis; paracetamol.(Received August 14 , 2018; Accepted January 20, 2019; Published February 26, 2019) ABSTRAKPenelitian ini bertujuan untuk mengetahui pengaruh pemberian ekstrak Pilsbryoconcha exilis terhadap kualitas sperma M. muscullus yang diberi parasetamol. Pendekatan yang digunakan untuk penelitian adalah eksperimen dengan model rancangan acak lengkap (RAL). Pada penelitian ini menggunakan 4 perlakuan dan 5 ulangan meliputi perlakuan 1 yang hanya diberikan aquades merupakan kontrol (P0), perlakuan 2 yang hanya diberikan parasetamol dosis 250 mg/kg bb (P1), dan perlakuan 3 yang diberikan parasetamol dosis 250 mg/kg bb dan ekstrak P. exilis dosisi 0,46 mg/g bb (P2) dan perlakuan 4 yang diberikan parasetamol 250 mg/kg bb dan ekstrak P. exilis 0,69 mg/g bb (P3). Teknik analisa data menggunakan deskriptif kualitatif dan uji statistik parametri One Way Annova, dan jika didapatkan perbedaan yang bermakna maka dilanjutkan uji statistic Beda Nyata Terkecil (BNT). Dari hasil penelitian diketahui pemberian ekstrak P. exilis dan parasetamol berepengaruh tapi tidak signifikan terhadap kualitas sperma. Kata Kunci: Sperma; M. muscullus; ekstrak P. exilis; parasetamol.

scholarly journals Comparison of the effectiveness of phostoxin fumigants for controlling insect pests warehouse Lassioderma serricorne and Pholcus phalangioides

2021 ◽  
Vol 905 (1) ◽  
pp. 012060
Author(s):  
N Subekti ◽  
M A Syahadan ◽  
R R Milanio
Keyword(s):  
Data Analysis ◽  
Insect Pests ◽  
Anova Test ◽  
Significant Difference ◽  
Pest Insects ◽  
Application Identification ◽  
One Way Anova ◽  
Control Insect ◽  
Pholcus Phalangioides

Abstract Insects warehouse pests contained in commodities, especially tobacco, can cause a decrease in the quantity and quality of commodities. The main pest insects found in tobacco storage warehouses are Lassioderma serricorne and Pholcus phalangioides. This study aims to analyze and compare the effectiveness of phostoxin fumigants to control insect pests L. serricorne and P. phalangioides. Methods used in this study include preparation of test insects, fumigation application, identification, calculation of mortality, and data analysis. The data were analyzed using one way ANOVA test. The results showed that there was a significant difference in morphility between groups of test insects. The highest mortality was in the group of test insects L. serricorne, which indicated that phostoxin fumigants effectively controlling barn insect pests, especially L. serricorne. To control insect pests warehouses in the future, it is recommended to use biopesticides to be safer for food.

scholarly journals Perbedaan Quality of Life Lansia Hipertensi yang Mengikuti dan Tidak Mengikuti Senam Prolanis di Wilayah Benteng Kota Ambon

2018 ◽  
Vol 7 (2) ◽  
pp. 151-160
Author(s):  
Adita Ayu Ferdinansih Manuhutu ◽  
Berta Esti Ari Prasetya
Keyword(s):  
Quality Of Life ◽  
Data Analysis ◽  
Sampling Technique ◽  
T Test ◽  
World Health ◽  
Test Analysis ◽  
World Health Organization Quality ◽  
Significant Difference ◽  
Health Organization

This study aims to determine differences in Quality of Life. This study was carried out on 70 people, namely elderly hypertension who followed prolanist gymnastic as many as 35 people and elderly hypertension who did not follow prolanist gymnastics as many as 35 people, using purposive sampling technique. Data collection was carried out using the World Health Organization Quality of Life (Whoqol) -Bref Scale. Data analysis method uses t-test analysis. The results of data analysis using the t-test yielded a t-count value of 4.665 with a significance of 0.000 (p <0.05) and a standard deviation of 9,595. There is a significant difference between the quality of life of elderly hypertension who follow prolanist gymnastics and elderly hypertension who do not follow prolanist gymnastics in Benteng Region, Ambon City.

scholarly journals PENGARUH SKARIFIKASI MENGGUNAKAN URIN KAMBING PADA BIJI GAMAL (Gliricida sepium) DENGAN WAKTU PERENDAMAN BERBEDA TERHADAP KUALITAS BENIH

2021 ◽  
Vol 5 (1) ◽  
pp. 1-7
Author(s):  
Holil Pathan Nur ◽  
Agung Kusuma Wijaya ◽  
Liman Liman ◽  
Muhtarudin Muhtarudin
Keyword(s):  
Data Analysis ◽  
Animal Husbandry ◽  
Gliricidia Sepium ◽  
Animal Nutrition ◽  
Soaking Time ◽  
Randomized Design ◽  
Significant Difference ◽  
Hard Seeds ◽  
Completely Randomized Design

This study aimed to determine the effect of scarification using goat urine with different soaking time on the quality of gamal seeds (Gliricidia sepium) and determine the best scarification treatment that produces normal sprouts and the best sprouts. This research was conducted in January 2020, located in the Laboratory of Animal Nutrition and Feed, Department of Animal Husbandry, Faculty of Agriculture, University of Lampung. This study used an experimental method using Completely Randomized Design with 5 treatments (control or without soaking, seed soaking for 4, 8, 12, and 16 hours) and 6 replications. Each trial unit received 30 seeds of Gamal. Data analysis was performed using the ANOVA continued by the least significant difference (LSD) test. The results showed that scarification of gamal seeds in goat urine at different times of soaking gave significantly effect (P <0.05) on germination, normal sprouts, dead seeds and hard seeds, but did not affect on abnormal sprouts and yield attacked by pests. The best scarification treatment for normal sprouts and sprouts rate was soaking for 16 hours, namely 60.00% and 47.73%, respectively. This results showed the longer soaking the seeds, the higher the germination and normal sprouts. Keywords: Gamal seeds, Goat urine, Scarification, Soaking time

Motilitas dan Vabilitas Spermatozoa Ayam Kampung pada Suhu 5°C Menggunakan Pengencer dan Lama Simpan yang Berbeda

2018 ◽  
Vol 5 (2) ◽  
pp. 102
Author(s):  
Enike Dwi Kusumawati ◽  
Selvinus Lawu Woli ◽  
Aju Tjatur Nugroho Krisnaningsih ◽  
Waluyo Edi Susanto ◽  
Syam Rahadi
Keyword(s):  
Data Analysis ◽  
Storage Temperature ◽  
Coconut Water ◽  
Laboratory Research ◽  
Ringer Lactate ◽  
Randomized Design ◽  
Native Chicken ◽  
Lactate Solution ◽  
Better Than

ABSTRAKPenelitian ini dilakukan untuk mengetahui motilitas dan viabilitas spermatozoa ayam kampung pada suhu 5oC menggunakan pengencer dan lama simpan yang berbeda. Metode yang digunakan dalam penelitian ini adalah penelitian laboratorium menggunakan Rancangan Acak Lengkap (RAL) Faktorial dengan pengencer ringer lactat solution, air kelapa dan tanpa pengencer serta lama simpan 0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, masing-masing diulang 10 kali. Variabel yang diamati yaitu motilitas dan viabilitas spermatozoa. Analisa data yang digunakan adalah analisis varian. Hasil analisis data menunjukkan bahwa motilitas dan viabilitas spermatozoa menggunakan pengencer ringer lactat solution lebih tinggi (P<0,01) serta dapat bertahan sampai lama simpan 24 jam dibandingkan air kelapa dan tanpa pengencer. Adapun nilai motilitas ringer lactat solution, air kelapa dan tanpa pengencer pada lama simpan 24 jam masing-masing sebesar 43,5±17,17%; 8±4,83%; 6,5±2,4%, sedangkan nilai viabilitasnya sebesar 83,2±7,25%; 64,6±3,20%; dan 63,1±2,33%. Kesimpulan dari hasil penelitian ini adalah ringer lactat solution lebih baik dibandingkan air kelapa dan tanpa pengencer dalam mempertahankan kualitas semen ayam kampung pada suhu simpan 5oC sampai lama simpan 24 jam.Kata Kunci : air kelapa, ayam kampung, motilitas, spermatozoa, viabilitas  ABSTRACTThis study was conducted to determine the motility and viability of spermatozoa of Native chickens at 5oC using different diluents and time storage. The method used in this study was laboratory research using Factorial Completely Randomized Design with ringer lactate solution, coconut water and without diluent at 0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30 hours of time storage each repeated 10 times. The variables observed were motility and viability of sperm. Data analysis used is variance analysis. The results of data analysis showed that the motility and viability of spermatozoa using ringer lactate solution diluents was higher (P <0.05) than coconut water and without diluents. The motility values of ringer lactat solution, coconut water and without diluents were 43,5±17,17%; 8±4,83%; 6,5±2,4% respectively, while the viability values were 83,2±7,25%; 64,6±3,20% and 63,1±2,33%. The conclusion of this study is that ringer lactat solution is better than coconut water an without diluents in maintaining the quality of Native chicken semen at a storage temperature of 5oC until 24 hours.Keywords: coconut water, motility, native chicken, sperm, viability

Pengaruh Pemberian Moringa oleifera Terhadap Kuantitas dan Kualitas Semen Sapi Peranakan Ongole

2020 ◽  
Vol 7 (2) ◽  
pp. 119
Author(s):  
Lukman Affandhy ◽  
Muchamad Luthfi ◽  
Dian Ratnawati ◽  
Frediansyah Firdaus
Keyword(s):  
Data Analysis ◽  
Analysis Of Variance ◽  
Research Method ◽  
Moringa Oleifera ◽  
The Third ◽  
Randomized Design ◽  
Leaf Powder ◽  
Completely Randomized Design ◽  
Second Period

ABSTRAK  Penelitian bertujuan untuk mengetahui pengaruh pemberian bubuk daun Moringa oleifera (MO) terhadap kuantitas dan kualitas semen sapi peranakan ongole (PO). Metode penelitian menggunakan percobaan lapang dengan rancangan acak lengkap dengan tiga perlakuan pemberian MO sebesar 0 kg/ekor/hari (P1); 0,05 kg/ekor/hari (P2) dan 0,1 kg/ekor/hari (P3). Analsis data menggunakan one way analysis of variance. Masing-masing perlakuan terdiri atas empat ekor dengan tiga periode pengamatan sebagai ulangan, yaitu periode pertama dan ketiga tanpa MO, dan periode kedua diberikan MO pada P2 dan P3. Hasil penelitian menunjukan bahwa volume dan pH semen perlakuan P1, P2 dan P3 tidak berbeda semua periode pengamatan. Motilitas massa spermatozoa P2 dan P3 periode kedua dan ketiga menunjukan nilai +++ berbeda nyata (P<0,05) dibandingkan dengan P1 (++); motilitas individu  perlakuan P1 menunjukkan nilai terendah 60,56±2,94 % (P<0,05) dibandingkan P2 dan P3 pada periode kedua dan ketiga (75,50±2,29 dan 72,50±2,34%). Konsentrasi spermatozoa P2 dan P3 periode kedua dan ketiga menunjukkan rata-rata  >1.350 juta/ml berbeda nyata (P<0,05) daripada P1 (876±152juta/ml), sedangkan total spermatozoa motil menunjukkan nilai tertinggi 5.647±829 juta/ml pada P3 periode kedua.Viabilitas spermatozoa P2 dan P3 menunjukkan nilai >88-89 % beda nyata (P<0,05) daripada P1 (<84 %) pada periode kedua dan ketiga, sedangkan nilai abnormalitas spermatozoa yang terbaik adalah P2 sebesar 4,30% pada periode kedua dan P3 sebesar 5,33% pada periode ketiga. Disimpulkan pemberian bubuk daun MO dengan dosis 0,1 kg/ekor/hari dapat memperbaiki kuantitas dan kualitas semen (viabilitas dan total spermatozoa motil) sapi pejantan PO.Kata kunci:  kuantitas dan kualitas semen, Moringa oleifera, sapi pejantan ABSTRACTThe research aimed to determine the effect of Moringa oleifera (MO) leaf powder on the quantity and quality of semen of ongole crossbreed. The research method used was a field experiment with a completely randomized design with three treatments giving MO of 0 kg/head/day (P1); 0.05 kg/head/day (P2) and 0.1 kg/head/day (P3). Each treatment consisted of four heads with three periods of observation as replications, namely the first and third periods without MO, and the second period was given MO on P2 and P3. Data analysis used a one-way analysis of variance. The results showed that the volume and pH of semen treated P1, P2, and P3 didn’t different in all observation periods. The second and third period spermatozoa mass motility of P2 and P3 showed that the value of +++ was significantly different (P<0.05) compared to P1 (++); Individual motility of P1 treatment showed the lowest value 60,56±2,94 % (P<0.05) compared to P2 and P3 in the second and third periods (75,50±2,29 and 72,50±2,34%). The second and third periods of P2 and P3 spermatozoa concentrations showed an average of >1,350 million/cc significantly different (P<0.05) than P1 (876±152 million/cc), while the total motile spermatozoa showed the highest value of 5,647±829 million/cc in the second period P3. The spermatozoa viability of P2 and P3 showed values >88-89% significantly different (P<0.05) than P1 (<84%) in the second and third periods, while the best spermatozoa abnormalities were P2 at 4.30% in the second period and P3 at 5.33% in the third period. It was concluded that the giving of MO leaf powder at a dose of 0,1 kg/head/day could improve the quantity and quality of semen (viability and total motile spermatozoa) of Ongole Crossbreed bulls. Keywords: bulls, Moringa oleifera, quantity and quality of semen

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