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Journal : Buletin Peternakan

THE EFFECT OF DIETARY VITAMIN E AND ZINC LEVELS ON PERFORMANCE AND LIPID OXIDATION IN FRESH AND STORED EGGS OF LAYING DUCKS Arif Darmawan; Sumiati Sumiati; Widya Hermana
Buletin Peternakan Vol 41, No 2 (2017): BULETIN PETERNAKAN VOL. 41 (2) MEI 2017
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21059/buletinpeternak.v41i2.15675

Abstract

Vitamin E and zinc are necessary for preventing free radical damage to phospholipid membranes, enzymes and other important molecules. The objective of this study was to evaluate the effect of dietary vitamin E and zinc levels on performance and lipid oxidation in fresh and stored eggs of laying duck. A total of 90 of 22 weeks old ducks were randomly divided into 15 experimental units by assigning a completely randomized design with 5 treatments and 3 replications. The treatment diets were R1 (control diet), R2 (R1+40 IU vitamin E), R3 (R1+80 IU vitamin E), R4 (R1+100 ppm organic zinc), and R5 (R1+200 ppm organic zinc).The experiment was carried out for 8 wk. Parameters observed were feed intake, egg production, egg weight, feed conversion ratio, and Thiobarbituric Acid Reactive Substances (TBARS) value. The results showed that increasing of vitamin E from 40 IU to 80 IU and zinc from 100 ppm to 200 ppm did not affect feed intake and egg weight. Otherwise, the dietary Vitamin E and organic zinc significantly decreased (P<0.05) feed conversion ratio and significantly increased (P<0.05) egg production and decreased (P<0.01) TBARS values. It is concluded that dietary 40 IU vitamin E or 100 ppm organic zinc could increase the performance of laying ducks and dietary 200 ppm organic zinc was more efective to be antioxidant than 40 and 80 IU vitamin E.   
Influence of Hemicell® Addition on Diets Containing Different Levels of Crude Fiber on Performance of Laying Hens Muhammad Ridla; Annisa Imran; Anuraga Jayanegara; Widya Hermana; Allaily Tarman
Buletin Peternakan Vol 43, No 3 (2019): BULETIN PETERNAKAN VOL. 43 (3) AUGUST 2019
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21059/buletinpeternak.v43i3.44618

Abstract

This study was conducted to examine the effect of Hemicell® addition on diets containing different levels of crude fiber on performance and egg quality of laying hens. A total of 72 laying hens aged 21 weeks were randomly divided into 18 experimental units. A completely randomized design with factorial design 2×3 and 3 replications was employed in this study. Factor A was crude fiber level (5% and 8%) and factor B was the level of Hemicell®(0, 100x103 and 200x103 IU/kg ration).  Results showed that crude fiber significantly (P<0.01) increased feed consumption and decreased the performance of laying hens. The addition of Hemicell®in diets significantly (P<0.01) decreased feed consumption and increased the performance of laying hens. Hemicell®addition (100 IU) to a diet containing 8% crude fiber significantly (P<0.05) affected egg mass, feed conversion ratio, egg yolk score and egg weight. It can be concluded that diet with 8% crude fiber added with Hemicell® (100 IU) could increase egg mass, feed conversion ratio, egg weight and yolk color score.
Impact of Cassava Leaf Meal as a Rice Bran Substitute and Enzyme Supplementation on Lymphoid Organ Weight and Digestibility in Broiler Chickens Muhammad Ridla; Ririn Angriani; Widya Hermana
Buletin Peternakan Vol 47, No 3 (2023): BULETIN PETERNAKAN VOL. 47 (3) AUGUST 2023
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21059/buletinpeternak.v47i3.83316

Abstract

Cassava leaves are a potential alternative feed ingredient due to their high levels of crude protein and energy. However, their utilization in poultry feed is constrained by factors such as cyanic acid, fiber content, and nutrient digestibility. This study aimed to investigate the impact of including cassava leaf meal (CLM) as a rice bran substitute and enzyme supplementation on lymphoid organ development and metabolizable energy parameters in broiler chickens. A 2x3 completely randomized factorial design was conducted using 48 Cobb-strain broilers unsexing at 35 days old. The treatments included different levels of CLM and enzyme (NSP and protease) supplementation at a dose of 250 g/ton of feed. The treatments consisted of R0E0: 0% CLM without enzyme, R0E1: 0% CLM with enzyme, R1E0: 1.5% CLM without enzyme, R1E1: 1.5% CLM with enzyme, R2E0: 3% CLM without enzyme, and R2E1: 3% CLM with enzyme. The variables assessed were lymphoid organ development (thymus, bursa Fabricius, and spleen) and metabolizable energy parameters (Apparent Metabolizable Energy (AME), True Metabolizable Energy (TME), Apparent Metabolizable Energy Corrected to Nitrogen (AMEn), and True Metabolizable Energy Corrected to Nitrogen (TMEn)). The data were subjected to analysis of variance (ANOVA) with post-hoc tests conducted for significant differences. Results indicated no interaction between CLM and enzymes in lymphoid organ development and energy metabolizable. The inclusion of CLM led to a reduction in AME and TME (p<0.05). However, enzyme supplementation significantly increased the relative weight of lymphoid organs (thymus, bursa Fabricius, spleen) and metabolizable energy parameters (AME, TME, AMEn, and TMEn) (p<0.05). Importantly, the inclusion of CLM up to a level of 3.0% did not negatively impact the health of broiler chickens. Furthermore, the addition of enzymes effectively mitigated the negative effects associated with CLM inclusion in the feed, suggesting their potential as a strategy to improve feed utilization in broiler production systems.
Vitamin D3 Supplementation in the Diet on Production Performance and Physical Egg Quality of Quail (Coturnix coturnix japonica) Hermana, Widya; Aulia, Rifka Syafika; Gunawan, Zahra Rizki Fauziyyah; Sumiati, Sumiati; Nadia, Rizky
Buletin Peternakan Vol 50, No 1 (2026): BULETIN PETERNAKAN VOL. 50 (1) February 2026
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21059/buletinpeternak.v50i1.111755

Abstract

This study aimed to evaluate the effect of dietary supplementation with vitamin D₃ on production performance and physical egg quality in quail. The experiment was conducted on 450 quails aged 22 weeks, which were reared until 27 weeks of age. A Completely Randomized Design (CRD) was applied, consisting of three treatments with five replications each: P0 = control diet without vitamin D₃ supplementation (basal diet), P1 = basal diet + 1.0 g/kg vitamin D₃ supplementation, and P2 = basal diet + 1.5 g/kg vitamin D₃ supplementation. Data were analyzed using Analysis of Variance (ANOVA), followed by Duncan’s multiple range test when significant differences were detected. The results showed that the supplementation of 1.5 g/kg vitamin D₃ contibuted to higher egg production, which was refleted by significant (P<0.05) improvements quail day production (QDP), egg mass, and feed conversion ratio (FCR), and very significant (P<0.01) enhancement yolk color. Supplementation of 1.0 g/kg and 1.5 g/kg Vitamin D₃ did not affect egg index, yolk percentage, albumen percentage, shell percentage, shell thickness, and Haugh unit. In conclusion, dietary supplementation of vitamin D₃ at the optimal level of 1.5 g/kg effectively enhanced quail production performance and yolk color, without negatively impacting egg physical quality
Co-Authors . Sumiati Adinda Najwa Humaira Aenyfatchu Rohmah Akmalul Rahmah Nabila Alifianty, Ouldya Fasya Allaily Tarman Ameira Reiko Yashmine Orva Andri Cahya Irawan Andri Cahya Irawan Annisa Fadhilatul Ummu Annisa Imran Anuraga Jayanegara Arif Darmawan Arif Darmawan Aulia, Rifka Syafika Azzahra, Aliefa Aviryalashra Billa Cahya Saputri Chung, T K D M Suci Dara Aryana Ibni Salasah Dara Nur Sabrina Denisa Reni Fitriani DEWI APRI ASTUTI Dewi, Cindy Puspita Dewina Nur Humaira Didid Diapari dortiana sijung, maria Dudung Abdul Malik Dwi Margi Suci Erika B. Laconi Fadhil Jamaluddin Fadhilah Dhani Santika Falah Fathia Rahmaisty Febi Tri Wahyudi Wahyu Fensa Eka Widjaya Gunawan, Zahra Rizki Fauziyyah H D S Tadjudin Haerul, Muhammad Hafizha Nabila Rizqa Hamim Hamim Helena Genuisty Heri Ahmad Sukria I wayan Teguh Wibawan Innaka Hasbullah Intan Nursiam Jidan Ramadani Julianto, Yudhi Tegar Juniasa Isnanti Prana Laela Azka Fuadiyan Lukmanul Hakim M Shofiah Shofiah Made Rahma Kirana Raisya Malinda, Ratriana T. Maryam Nur Fadhillah Mauluddin, Dadan Mikhael Claydof Sumolang Muhamad Prastyo Dirgantara Muhammad Arif Darmawan Muhammad Naufal Farras Muhammad Ridla Mutia Rizkia Nurkamil Mutia Sari Nabila Meifarah Nadia, Rizky Nadya Zahra Rahmadilla Nahrowi Nahrowi Nahrowi Nanda Avisa Phelia Nandang Mulyasantosa Nazwa Aulia Khasanah Ningsih, Sekar Maulidya Noor Rafly Ardiansyah Nurhayu Nurhayu Nurhayu, Nurhayu Nurina Rahmawati Nurlita Handayani Nursiam, Intan Nurul Shoimah Nurwijayanti Paru Ramadhan Prameswari, Febrina Pramujo, Muhammad Puspita, Poppy Satya Ramadhani, Sekar Ayu Hawatama Ratulangi, Cantika Rifki Yang Raynesa Nurul Nurjanah Rika Zahera Ririn Angriani Rita Mutia Rizky Nadia Ruri Anggun Nastiti S Aini Aini Sakinah, Raudhoh Gholia Sakinah, Raudoh Gholia Sarah Shafa Kamilah Sazli Tutur Risyahadi Sekar Ayu Hawatama Ramadhani Sumiati Sumiati Sumiati Sumiati Sumiati Sumiati Sumiati Sumiati Sumiati Tania Adila Ummah, Nurul Vita Kurnia Citra Wahyu Jati Triatmaja Wiwin Winarsih Yuli Retnani