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PENGARUH PEMBERIAN EKSTRAK TEMULAWAK (Curcuma xanthorriza) DALAM AIR MINUM TERHADAP TITER ANTIBODI AVIAN INFLUENZA (AI) DAN NEWCASTLE DISEASE (ND) PADA AYAM KUB (KAMPUNG UNGGUL BALITNAK) Mokhamad Aiyon Suharis; Madi Hartono; Siswanto Siswanto; Purnama Edy Santosa
Jurnal Riset dan Inovasi Peternakan (Journal of Research and Innovation of Animals) Vol 7 No 3 (2023): Jurnal Riset dan Inovasi Peternakan: Agustus 2023
Publisher : Department of Animal Husbandry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrip.2023.7.3.363-370

Abstract

Penelitian ini bertujuan untuk mengetahui dosis terbaik pemberian ekstrak temulawak (Curcuma xanthorriza) terhadap titer antibodi Avian Influenza (AI) dan Newcastle Disease (ND) ayam KUB. Penelitian ini dilaksanakan pada Desember 2022 – Februari 2023 dan berlokasi di Kandang Open House Laboratorium Lapang Terpadu Fakultas Pertanian dan Laboratorium Pengolahan Limbah Agroindustri, Jurusan Teknologi Hasil Pertanian, Fakultas Pertanian, Universitas Lampung. Pemeriksaan titer antibodi AI dan ND di lakukan di AgriLab PT. Agrinusa Jaya Santosa, Bandar Lampung. Rancangan percobaan yang digunakan adalah Rancangan Acak Lengkap (RAL) dengan 4 perlakuan dan 5 ulangan . Perlakuan yang diberikan yaitu P0: air minum tanpa ekstrak temulawak (Curcuma xanthorriza), P1: air minum dengan penambahan 5% ekstrak temulawak (Curcuma xanthorriza) (5 ml ekstrak temulawak + 95 ml air), P2: air minum dengan penambahan 10% ekstrak temulawak (Curcuma xanthorriza) (10 ml ekstrak temulawak + 90 ml air), dan P3: air minum dengan penambahan 15% ekstrak temulawak (Curcuma xanthorriza) (15 ml ekstrak temulawak + 85 ml air). Data yang diperoleh dianalisis menggunakan analisis ragam dengan taraf nyata 5% dan dilanjutkan dengan uji polinomial ortogonal. Hasil uji polinomial ortogonal menunjukkan pengaruh yang sangat nyata (P<0,01) terhadap titer antibodi AI dan ND pada ayam KUB. Hasil uji polinomial ortogonal berpola linier dengan persamaan pada titer antibodi AI yaitu y = 0,0533x + 1,0667 dan pada titer antibodi ND yaitu y = 4,3893x + 64,08. Dosis pemberian ekstrak temulawak optimum pada titer antibodi ND adalah 14,60%.
PENGARUH SISTEM PERKANDANGAN TERHADAP TINGKAT INFESTASI DAN JENIS CACING SALURAN PENCERNAAN PADA KAMBING JAWARANDU DI KECAMATAN ADILUWIH KABUPATEN PRINGSEWU PROVINSI LAMPUNG Agnes Sekar Weningtiyas; Madi Hartono; Kusuma Adhianto; Purnama Edy Santosa
Jurnal Riset dan Inovasi Peternakan (Journal of Research and Innovation of Animals) Vol 7 No 3 (2023): Jurnal Riset dan Inovasi Peternakan: Agustus 2023
Publisher : Department of Animal Husbandry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrip.2023.7.3.411-418

Abstract

Tujuan penelitian ini adalah untuk melihat perbedaan infestasi dan mengetahui jenis cacing saluran pencernaan pada kambing Jawarandu perkandangan panggung dan perkandangan postal di Kecamatan Adiluwih, Kabupaten Pringsewu Provinsi Lampung. Penelitian ini dilakukan pada Januari sampai Februari 2023 dengan menggunakan metode survei. Data mengenai tingkat infestasi cacing dianalisis dengan menggunakan Uji Chi-Square pada taraf 5% dan data mengenai jenis cacing yang menginfestasi dianalisis secara deskriptif. Hasil penelitian menunjukkan bahwa perkandangan berpengaruh terhadap tingkat infestasi cacing saluran pencernaan P<0,05. Sistem perkandang postal memiliki resiko infestasi cacing saluran pencernaan yang lebih tinggi dibandingkan dengan sistem perkandangan panggung. Jenis cacing yang menginfestasi ternak pada sistem perkandangan panggung yaitu Cooperia sp, Paramphistomum sp, Toxocara sp, Trichostrongylus sp dan Trichuris sp sedangkan pada sistem perkandangan postal yaitu Fasciola sp, Haemonchus sp, Oesophagustomum sp, Paramphistomum sp, Strongyloides sp, Toxocara sp, dan Trichuris sp.
GAMBARAN TOTAL LEUKOSIT DAN DIFERENSIAL LEUKOSIT AYAM KAMPUNG UNGGUL BALITNAK (KUB) DENGAN PEMBERIAN EKSTRAK TEMULAWAK (Curcuma xanthorrhiza) DALAM AIR MINUM Dwi Rismawati; Madi Hartono; Purnama Edy Santosa; Sri Suharyati
Jurnal Riset dan Inovasi Peternakan (Journal of Research and Innovation of Animals) Vol 7 No 3 (2023): Jurnal Riset dan Inovasi Peternakan: Agustus 2023
Publisher : Department of Animal Husbandry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrip.2023.7.3.436-443

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh dan dosis terbaik pemberian ekstrak temulawak (Curcuma xanthorrhiza) terhadap jumlah sel leukosit dan diferensial leukosit pada ayam KUB. Penelitian ini dilaksanakan pada Desember 2022 – Februari 2023 di kandang Open House Laboratorium Lapang Terpadu sebagai tempat pemeliharaan ayam dan Laboratorium Pengolahan Limbah Agroindustri, Jurusan Teknologi Hasil Pertanian, Fakultas Pertanian, Universitas Lampung sebagai tempat pembuatan ekstrak temulawak. Analisis total leukosit dan diferensial leukosit dilaksanakan di Laboratorium Patologi Klinik, Fakultas Kedokteran Hewan, UGM. Penelitian menggunakan Rancangan Acak Lengkap (RAL) dengan 4 Perlakuan dan 5 ulangan. Perlakuan yang diberikan yaitu air minum tanpa ekstrak temulawak (Curcuma xanthorriza) (P0), air minum dengan penambahan 5% ekstrak temulawak (Curcuma xanthorriza) (5 ml ekstrak temulawak + 95 ml air) (P1), air minum dengan penambahan 10% ekstrak temulawak (Curcuma xanthorriza) (10 ml ekstrak temulawak + 90 ml air) (P2), dan air minum dengan penambahan 15% ekstrak temulawak (Curcuma xanthorriza) (15 ml ekstrak temulawak + 85 ml air) (P3). Data yang diperoleh dianalisis secara deskriptif. Hasil menunjukkan bahwa pemberian ekstrak temulawak (Curcuma xanthorrhiza) pada ayam KUB memiliki rata-rata total leukosit, basofil, monosit, dan limfosit berada pada kisaran normal, dan total neutrofil serta eosinofil berada diatas kisaran normal. Pemberian ekstrak temulawak dengan dosis sebesar 10% (P2) pada air minum memberikan hasil yang lebih baik pada jumlah leukosit dan diferensialnya dalam mempertahankan kesehatan ayam KUB.
PENGARUH SUHU DAN LAMA THAWING DI DATARAN TINGGI TERHADAP KUALITAS SEMEN BEKU SAPI BRAHMAN Sherly Puspa Ningrum; Madi Hartono; Purnama Edy Santosa
JURNAL ILMIAH PETERNAKAN TERPADU Vol 2, No 3 (2014)
Publisher : DEPARTMENT OF ANIMAL HUSBANDRY, FACULTY OF AGRICULTURE, UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (74.665 KB) | DOI: 10.23960/jipt.v2i3.p%p

Abstract

The aim of this research was to determine the lest temperature and durations of thawing athigh altitudes in frozen semen of Brahman bull. This research conducted in 8-27 March 2014. Thisresearch was conducted using a completely randomized design (CRD) with 3x3 factorial. The firstfactorial is temperature (34oC, 37oC, and 40oC) and second factorial is thawing durations with 3replications. Variables were deserved in this researchs the percentage of alive sperm and spermmotility. Research data was analyzed by Anova and Duncan test at 5%.The result showed that the temperatures and thawing durations influence the quality ofBrahman bull frozen semen, but has no interaction between them. Of this this research, the bestquality of spermatozoa obtained at 40oC and the 20 second duration of thawing has the highest qualityaverage among the other treatments. Motility of spermatozoa at 40oC is 33,89% and thawing durationat 20 second is 35,56%, the percentage of alive sperm at 40oC is 37,04% and the duration of thawingat 20 second is 35,43%.
FAKTOR-FAKTOR YANG MEMPENGARUHI ANGKA KEBUNTINGAN (CONCEPTION RATE) PADA SAPI POTONG SETELAH DILAKUKAN SINKRONISASI ESTRUS DI KABUPATEN PRINGSEWU Tri Nurjanah; Madi Hartono; Sri Suharyati
JURNAL ILMIAH PETERNAKAN TERPADU Vol 2, No 1 (2014)
Publisher : DEPARTMENT OF ANIMAL HUSBANDRY, FACULTY OF AGRICULTURE, UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (94.793 KB) | DOI: 10.23960/jipt.v2i1.p%p

Abstract

This study of the influential factors of conception rate on cattle after estrous synchronization inPringsewu Regency was held in November 2012–February 2013. This study used 278 cattlesowned by 229 breeders. This study aimed to determine the factors and factor number whichinfluenced to the conception rate after estrous synchronization in Pringsewu Regency, Province ofLampung. The method used in this study was method of census. The data analysis used in thisstudy was analysis of regression. Before doing the data analysis, coding of data of inseminatorsand breeders was done to make the analysis easier, and then being analysed on program of SPSS(Statistics Packet for Social Science). The result of this study showed that the conception rate ofbeef cattles after estrous synchronization in Pringsewu Regency was 69,42%, including in goodcategory. The factors which influenced the conception rate and associated positively were thefrequency of giving pasturage with the factor number of 3, 386, the amount of giving pasturagewith the factor number of 0,196, the shape of stable walls with the factor number of 10,371, thegiving concentrate with the factor number of 4,011, the knowledge of estrous and inseminationwith the factor number of 7,579, while associated negatively were giving water to a large numberof factors 0,181, and the knowledge of hereditary breeding with the factor number of 3,707.
CALVING INTERVAL PADA SAPI BALI DI KABUPATEN PRINGSEWU Bastian Rusdi; Madi Hartono; Sri Suharyati
JURNAL ILMIAH PETERNAKAN TERPADU Vol 4, No 4 (2016)
Publisher : DEPARTMENT OF ANIMAL HUSBANDRY, FACULTY OF AGRICULTURE, UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (194.043 KB) | DOI: 10.23960/jipt.v4i4.p%p

Abstract

Research on calving interval in Bali Cattles in Pringsewu Regency was held on December 2014 until January 2015 with 5 inseminators, 110 Bali Cattles that had been inseminated belong to 100 farmers. Purposes of this reserch were to know: 1) value calving interval of Bali Cattles in Pringsewu Regency,  2) the factors and magnitude factors which disturb calving interval of Bali Cattles in Pringsewu Regency. This research used sensus method, data obtained was real data that present and accuread in Pringsewu Regency.  Data was analyzed by logistic regression with SPSS (Statistics Packet for Social Science) program.  The results showed that calving interval of Bali Cattle at Pringsewu Regency is 416.69 days. Factors that affect the value of calving interval in Bali Cattle in Pringsewu Regency derived from inseminator level factors that affect it are long thawing. Old thawing major factors positively associated with 2,389. In addition, factors that affect the value of calving interval at the farmer level is reason to raise as savings associated negatively with huge factor 33.102, the formal education of farmers, namely SD of 68%, middle 19%, and high schools 13% were positively associated with large factor 8.467, layout cage positively associated with large factor 0.433, floor cage positively associated with large factor 21.705, spacious cages associated negatively with huge factor 0.741, the age of weaning calves were positively associated with a large factor of 0.081, the S/C is positively associated with a large factor 17.665 , marriage is positively associated with postpartum major factor of 0,965, reproductive status associated with major negative factor of 187.890. Keywords: Bali Cattle, Calving Interval, Pringsewu Regency, Value 
REPEAT BREEDER PADA SAPI BALI DI KABUPATEN PRINGSEWU Amita Juliana; Madi Hartono; Sri Suharyati
JURNAL ILMIAH PETERNAKAN TERPADU Vol 3, No 2 (2015)
Publisher : DEPARTMENT OF ANIMAL HUSBANDRY, FACULTY OF AGRICULTURE, UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (350.333 KB) | DOI: 10.23960/jipt.v3i2.p%p

Abstract

Research on repeat breeders in Bali Cattles in Pringsewu Regency was held on December 2014 until January 2015 with 5 inseminators, 131 Bali Cattles that had been inseminated belong to 100 farmers. The purpose of this reserch are to know: 1) value repeat breeder of Bali Cattles in Pringsewu Regency,  2) the factors and magnitude factors which disturb repeat breeder of Bali Cattles in Pringsewu Regency. Data was analysis by logistic regression with SPSS (Statistics Packet for Social Science) program. The result showed that repeat breeder of Bali Cattles at Pringsewu Regency is 19,85%. Factors that affect the repeat breeder are education inseminator that negatively associated with factor value 1,466; the number of acceptors that negatively associated with factor value 0,390; old ranching that positively associated with factor value 0,067; the amount of provision of water that negatively associated with factor value 0,106; large cage that negatively associated with factor value 0,114; and sanitation stall that negatively associated with factor value 0,805.
BEBERAPA FAKTOR YANG MEMENGARUHI SERVICE PER CONCEPTION PADA SAPI BALI DI KABUPATEN PRINGSEWU Dwi Haryanto; Madi Hartono; Sri Suharyati
JURNAL ILMIAH PETERNAKAN TERPADU Vol 3, No 3 (2015)
Publisher : DEPARTMENT OF ANIMAL HUSBANDRY, FACULTY OF AGRICULTURE, UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (225.768 KB) | DOI: 10.23960/jipt.v3i3.p%p

Abstract

Research on service per conception  in Bali Cattles in Pringsewu Regency was held on December 2014 until January 2015 with 5 inseminators, 100 farmers and 131 Bali Cattles that had been inseminated. The purpose of this reserch are to know: 1) value service per conception  of Bali Cattles in Pringsewu Regency,  2) the factors and magnitude factors which disturb service per conception  of Bali Cattles in Pringsewu Regency. Data was analysis by multifactors regression with SPSS (Statistics Packet for Social Science) program. The result showed that service per conception of Bali Cattles at Pringsewu Regency is 1,79 ± 1,03.  Factors that affect the service per conception are distance to acceptors that positively associated with  factor value 0,034; correctly inseminator that negatively associated with factor value 1,460; the system of provision of  water that positively associated with factor value 1,293; and large cage that negatively associated with factor value 0,008.   (Keywords: Service per conception , Bali Cattles,  Factor)
FAKTOR-FAKTOR YANG MEMENGARUHI ANGKA KEBUNTINGAN (CONCEPTION RATE) PADA SAPI POTONG SETELAH DILAKUKAN SINKRONISASI ESTRUS DI KABUPATEN LAMPUNG TENGAH Zulfi Al Arif; Madi Hartono; Sri Suharyati
JURNAL ILMIAH PETERNAKAN TERPADU Vol 2, No 2 (2014)
Publisher : DEPARTMENT OF ANIMAL HUSBANDRY, FACULTY OF AGRICULTURE, UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (82.698 KB) | DOI: 10.23960/jipt.v2i2.p%p

Abstract

This research used 287 cattle cows owned by 198 breeders, involve 3 sub-districts in Central Lampung District.This research aimed to determine factors affecting conception rate after oestrous synchronization in cattle cows inCentral Lampung District, Lampung Province in November 2012-Februari 2013.The result of this research showed that the conception rate cattle cows after oestrous synchronization in CentralLampung District was 60,53 %, included in less good category. The factors affecting conception rate after oestroussynchronization in Central Lampung District were the amount of pasture given which positively associate with thefactor amount of 0,020, the shape of cage wall which negatively associate with the factor amount of 1,473, thematerial of cage floor which positively associate with the factor amount of 0,701, the cage width which negativelyassociate with the factor amount of 0,062, & the breeding long time which positively associate with the factoramount of 0,057.
CONCEPTION RATE PADA SAPI PERAH LAKTASI DI BALAI BESAR PEMBIBITAN TERNAK UNGGUL DAN HIJAUAN PAKAN TERNAK BATURRADEN PURWOKERTO JAWA TENGAH Fandi Abdillah; Madi Hartono; Siswanto .
JURNAL ILMIAH PETERNAKAN TERPADU Vol 3, No 1 (2015)
Publisher : DEPARTMENT OF ANIMAL HUSBANDRY, FACULTY OF AGRICULTURE, UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (228.722 KB) | DOI: 10.23960/jipt.v3i1.p%p

Abstract

The aim of this research was to determine the level of CR and the factors value that affect the level of CR at lactating dairy cattle in BBPTU-HPT Baturraden Purwokerto Central Java, on April, 29 th – May 13 th 2014. This research used sensus method with primary and secondary data. Analysis data used regression analysis with SPSS (Statistics Packet for Social Science) program.The result showed that the CR at BBPTU-HPT Baturraden is 36,60%. Factors affecting the value of CR were the herds man and the cattles. On the level of cattle are the education of herds man that negatively associated with factor value 2,130, number of the cattle that negatively assosiated with factor value 0,151, herdsman knowledge that negatively assosiated with factor value 2,637, thawing duration that negatively associated with factor value0,229 and the distance between the cowshed with office that possitively assosiated with factor value 0,198. Factor affecting the CR on dairy cattle are the age dairy cattle that negatively associated with factor value 0,313, days open that possitively with factor value 0,725, mating postpartus that negatively associated with factor value 0,661, calving interval that positively associated with factor value 0,950, lactating period that possitively associated with factor value 0,923 and dry period that negatively associated with factor value 0,966.
Co-Authors Abimanyu Prastyo Ardiansyah Absor, Ulil Adek Rayhan Regisa Adhitia, Fabian Afrianti, Zulvina Agnes Sekar Weningtiyas Agung Kusuma Wijaya Agustin, Nur Aini Ajmal Kurniawan Khair Akbar, Muhamad Tri Al-amin, Ahmad Fauzy Alhuda, Dinda Yusri Ali Husni Ali Husni Ambya, Ambya Amita Juliana Ardhyka Chandra Stefanus Ardiansyah, Abimanyu Prastyo Arief Rahmaan Hakim Arif Darmawan Arif Irawan Arif Kurniadi Arif Qisthon Arrozak, Muhammad Rofif Ilham Arti, Aisyah Yuli Ayu Lidyana Bastian Rusdi Bayu Hadi Setya Irawan Beninda, Adellia Billa, Likia Salsa Christina Nugroho Ekowati, Christina Nugroho Cici Hardiyanti Dakhlan, Akhmad Dewi Wijayanti Dian Septinova Dwi Rismawati edy santosa, purnama Ertha Colanda Sari Erwanto Esa Ghanim Fadhallah Etha 'Azizah Hasiib Ety Apriliana Fajar Fitraldi Dirgahayu Fandi Abdillah Farida Fathul Farida Fathul Fatmawati, Siti Tika Fauzi, Teo Achmad Febriyansar, Eri Fitria Tsani Farda Frandy Febrianthoro Fransisca, Amaylia Habiahan, Renta Enjelina Hadi Prayitno Hanafi, Riyan Hanawati, Nadia Dwi Hanip Rangga Saputra Hardiyanti, Cici Harry Setiawan Henry Wijaya, Henry Herdiansyah, Lani Hermawan, Alan Ida Ayu Putu Sri Widnyani Iis Nurlia Imam Widodo Imam Widodo Irawan, Bayu Hadi Setya Irmaylin SM Jenny Marthika Sari Juandita, Karina Natasya Konita Lutfiana, Konita Kristanti, Nuke Kurotul Aini Kusuma Adhianto Kusuma Adhianto Kusumaninghayu, Titis Larasati, Hindun Legowo, Ahmad Bambang Lidyana, Ayu Liman Liman, Liman Lumbantoruan, Neny Santy Jelita Lusia Komala Widiastuti Lutviati, Carmelia M. Dima Iqbal Hamdani Maisaroh, Siti Maisaroh Siti Malau, Regina Wati Maulinda, Riska Mia Widowati Miranti Olivia Mokhamad Aiyon Suharis Monika, Lidiya Muhamad Allabus Royan Muhammad Daffa Ewaldi Muhammad Fadhil Muhammad Fauzan Muhammad Mirandy Pratama Sirat Muhtaruddin, Muhtaruddin Muhtarudin Muhtarudin Mulyadi, Taufik Munzir, Indah Iftinandari Nabila, Amara Nilam Sari, Fatma Ningrum, Tiara Arnenda Diah Nisak, Rohmatin Novigar, Muhammad Fikri Nugraha, Ega Nugraha, Resta Eka Nugroho, Kaleb Wisnu Nugroho, Pandu Lintang Nur Wahid, Agus Nurul Hakiki Pubiandara, Sintha Purnama Edy Santosa Purnama Edy Santosa Purnama Edy Santosa Purnama Edy Santosa Pusparani, Angela Merici Puspitaningsih N.W., Rr. Etty Putra, Alvin Permana Putra, Rizani Oktanisyah Putri Omelia RACHMAWATI, YUNITA Raden Mohamad Herdian Bhakti Rahmadhanil Putra Rusadi Ramadhan, Muhammad Elvin Rangga Saputra, Hanip Ratna Ermawati Regisa, Adek Rayhan Renaldy, Yogie Ridwan Ririn Angriani Rito, Hardiansyah Faisal Rivai, Mahfud Riyan Hanafi Riyanti Riyanti . Riyanti Riyanti Rizki Indah Pratiwi Rizkiyah, Nayla Syaqiratul Rochmah Agustrina Rohmatin Nisak Rojab Fadillah Rr. Etty Puspitaningsih N.W. Rudy Sutrisna Rudy Sutrisna S Siswanto Sagala, Yollanda Natalia Sakila, Fanya Putri Saputra, Andi Kurnia Saputra, Hanip Rangga Saputra, Mahmud Yoga Saputri, Rafida Bela Saputri, Rhica Dhea Sari, Siti Hartika Saturdayana, Made Segara, Rendi Bayu Selawati, Diyah Septianisa, Septianisa Sherly Puspa Ningrum Sihombing, Paulus Ardiansyah Silvia, Desma Siswanto Siswanto . Siswanto Siswanto Siswanto Siswanto Sri Andayani Sri Ratna Sulistiyanti Sri Suharyati Sri Suharyati Sri Suharyati Sri Suharyati Sri Suharyati Sri Suharyati Sri Suharyati Suhono Suhono, Suhono Sulastri Sulastri Sumardi . Sumardi, Sumardi Surmini Surmini Surmini, Surmini Susanto, Gregorius Nugroho Sutyarso Sutyarso Sutyarso Sutyarso Syahrio Tantalo Syahroni Syahroni Syamsul Arifin Teguh Rafian Tintin Kurtini Tintin Kurtini Tintin Kurtini Tri Nurjanah Ulvi Fitri Handayani Veithzal Rivai Zainal Veronica Wanniatie Widowati, Mia Wijaya, Agung Kusuma Winanti, Diki Danar Tri Yohanes Narendra Darma Atmaja Yudhistira, Guntur Januar Yuli Prasetyo Zulfi Al Arif Zulvina Afrianti