Eco-Friendly Eggshell Meal on Milk Yield and Quality of Holstein Friesian Cows
Authors: Ambo Ako, Renny Fatmyah Utamy, Hasbi Hasbi, Muhammad Irfan Said, Muhammad Hatta, Nurul Sulfi Andini, Lizah Khairani, Andi Ni’matul Churriyah, Khaerunnisa Khaerunnisa, Andi Arif Rahman, Silvi, Rara Mufliha, Zyahrul Ramadan, and Purnama Isti Khaeranii
Journal: American Journal of Animal and Veterinary Sciences Vol. 19. No. 2. 26 Hal. 167-171
Year: Mei 2024
Eucheuma cottonii–enriched legume-based green concentrate improves rumen protein utilization, methane mitigation, and lactation performance in Holstein Friesian dairy cows
Authors: Renny Fatmyah Utamy, Ambo Ako, Zyahrul Ramadan, Jamila Mustabi, Mohammad Mijanur Rahman, and Kannika Umpuch
Journal: Veterinary World, 19(5):2144–2159.
Year: 2026
Performance and Blood Biochemistry of Friesian Holstein Dairy Calves with Different Types of Fodder as Forage Starter
Authors: Andi Fitri Nurbina1, Renny Fatmyah Utamy2*, Ambo Ako2
Journal: J. Anim. Health Prod. 14(1): 29-37.
Year: 2026
Evaluation of various leguminous forages to enhance milk yield and quality in Friesian Holstein dairy cattle
Authors: Muh Figri1, Renny Fatmyah Utamy2 and Ambo Ako2
Journal: Livestock Research for Rural Development 37 (4)
Year: 2025
Optimizing calf growth performance and nutrient digestibility with whey dangke-enriched green calf starter (fodder-based proteins) in Holstein Friesian
Authors: Renny Fatmyah Utamy1*, Ambo Ako1, Hasbi Hasbi1, Zyahrul Ramadan1, Yasuyuki Ishii2, Sri Gustina1, Mohammad Mijanur Rahman3, Muhammad Ihsan Andi Dagong1, Nur Amaliah1, and Kannika Umpuch4
Journal: CHILEAN JOURNAL OF AGRICULTURAL RESEARCH 85(4) 567-587
Year: 2025
Effects of Plant Growth-Promoting Rhizobacteria and Seedling Density on Morphologic Characteristics and Nutrient Content of Corn Fodder
Authors: Renny Fatmyah Utamy, Ambo Ako, Syahdar Baba, Zulkharnaim, Sri Gustina, Laode Alhamd, Indrawirawan, Aulia Uswa Noor Khasanah1, Arif Rahman, Siti Annisa Sukri, Rara Mufliha, Zyahrul Ramadan and Purnama Isti Khaerani
Journal: Sarhad Journal of Agriculture Volume 41 | Issue 1 | Page 209-219
Year: 2025
Enhancing Milk Yield and Quality of Holstein Friesian through Special Formulation Urea Molasses Multinutrient Block
Authors: A. Arif Rahman, Renny Fatmyah Utamy, Ambo Ako, Mohammad Mijanur Rahman, Siti Annisa Sukri
Journal: Advances in Animal and Veterinary Sciences 13(1): 139-145
Year: 2025
Economic Feasibility and Growth Performance of Holstein Friesian Calves Fed Whey-Dangke Fortified Green Calf Starter
Authors: Zyahrul Ramadan1, Renny Fatmyah Utamy1, Hasbi Hasbi1, Ambo Ako1, Fatma Maruddin1, Viterah Niode1, Alif Rahmadi1 and Indarwati Bua Putri1
Journal: American Journal of Animal and Veterinary Sciences Volume 20 No. 2, 159-170
Year: 2025
An Alternative Forage for Animal Feed: Nutritional Quality and in Vitro Digestibility of Cassava Leaves (Manihot utilissima) Soaked in Bamboo Activated Charcoal
Authors: Imelda Siska, Ambo Ako, Asmuddin Natsir and Renny Fatmyah Utamy
Journal: International Journal of Agriculture and Biosciences 14(5): 1005-1011.
Year: 2025
Evaluating Green Concentrate on Physiological and Metabolic Blood Profile of Friesian Holstein Cows in Negative Energy Balance
Authors: Renny Fatmyah Utamy, Ambo Ako, Zyahrul Ramadan, Muhammad Ihsan Andi Dagong, Herr y Sonjaya, Fatma Maruddin, Azisah Nurf adilah, Nur Fajri Muhlis, Andi Akmal Haerul, Putri Intani
Journal: Advances in Animal and Veterinary Sciences 13(5): 1113-1123.
Year: 2025
Physiological Response of Holstein Friesian Supplemented with UMMB Containing Natural Adhesive
Authors: Renny Fatmyah Utamy, Ambo Ako, Hasbi Hasbi, Zyahrul Ramadan, Tasya Tasya
Journal: Acta Veterinaria Indonesiana Vol. 12 No. 3 222–23
Year: 2024
Investigating the Impact of Supplementation with Urea Molasses Multi-Nutrient Block (UMMB) Containing Organic Adhesives on the Performance, Milk Quality and Blood Metabolic Profile of Holstein Friesian Cows
Authors: R.F. Utamy, A. Ako, H. Hasbi, Z. Ramadan, R. Mufliha, A. Mutfaidah, A. F. Nurbina, I. D. A. Mahayani, A. A. R. Hakim
Journal: Journal of Animal Health and Production Vol. 13, Iss. 1, pp. 78-87
Year: 2024
Hormone prolactin concentration, milk production performance and milk quality of Holstein Friesian dairy cows supplementing the diet with various levels of mung bean sprouts (Penulis Koresponden)
Authors: Rara Mufliha, Renny Fatmyah Utamy and Ambo Ako
Journal: Livestock Research for Rural Development 36 (6)
Year: 2024
Production Performance and Milk Quality of Holstein Friesian Dairy Cow with the Utilization of Eggshell Meal Extract as a Source of Minerals
Authors: S Silvi, A Ako, R F Utamy, F Maruddin, S Gustina and K Umpuch
Journal: International Journal of Agriculture and Biosciences 13(4): 626-631
Year: 2024
Performance, Physiological Status, and Heat Tolerance of Holstein Friesian Dairy Cows at Different Lactation
Authors: Renny Fatmyah Utamy, Ambo Ako, Hasbi Hasbi, Zyahrul Ramadan, Andi Arif Rahman Hakim, Siti Annisa Sukri) (Penulis Utama
Journal: Advances in Animal and Veterinary Sciences 12(10): 2034-2042.
Year: 2024
Effect of Natural Adhesive Tapioca Meal on the Quality of Urea Molasses Multinutrient Block.
Authors: Renny Fatmyah Utamy, Utlul Ilma Navia, Jamila Mustabi, Ambo Ako, Hasbi Hasbi, Andi Arif Rahman.
Journal: Hasanuddin Journal of Animal Science. 5 (2) :84-92
Year: 2023.
The effect of leaf meal in supplements on milk yield and quality of Friesian Holstein dairy cows
Authors: Ambo Ako, Renny Fatmyah Utamy, Syahdar Baba, Hastang, dan Andi Arif Rahman
Journal: Livestock Research for Rural Development Vol. 35 No. 3
Year: 2023