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Buletin Peternakan
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Bulletin of Animal Science is published every four months. The Annual subscription rate is Rp. 150.000,-/year. Bulletin receives original papers in animal science and technology which are not published at any other journals.
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PENGARUH SUPLEMENTASI TEPUNG KULIT MANGGIS DAN VITAMIN E DI DALAM RANSUM AYAM RAS PETELUR STRAIN LOHMANN TERHADAP KUALITAS FISIK TELUR YANG DISIMPAN PADA WAKTU DAN SUHU YANG BERBEDA Mutia, Rita; Rusli, Ridho Kurniawan; Wiryawan, Komang Gede; Toharmat, Toto; Jakaria, Jakaria
Buletin Peternakan Vol 41, No 1 (2017): BULETIN PETERNAKAN VOL. 41 (1) FEBRUARI 2017
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (919.388 KB) | DOI: 10.21059/buletinpeternak.v41i1.22453

Abstract

Penelitian ini bertujuan untuk mengkaji pengaruh suplementasi tepung kulit manggis (TKM) dan Vitamin E (VE) di dalam ransum ayam ras petelur terhadap kualitas fisik telur selama penyimpanan pada waktu dan suhu yang berbeda. Ayam petelur diberi perlakuan pakan yaitu : R0 (ransum kontrol), R1 (R0 +1 g TKM/Kg ransum), R2 (R0 + 2 g TKM/Kg ransum) dan R3 (R0 + 200 mg VE/Kg ransum). Rancangan yang digunakan adalah rancangan acak lengkap pola faktorial 4 x 3 x 2 dengan 4 ulangan. Faktor pertama yaitu ransum, faktor kedua yaitu: waktu penyimpanan (1, 2 dan 3 minggu) dan faktor ketiga yaitu suhu penyimpanan pada refrigerator (4,13oC dan 22,50%) dan suhu ruang (27, 47oC dan 76,17%). Variabel yang diamati adalah: berat telur, persentase kerabang telur, persentase kuning telur, persentase putih telur, tebal kerabang, warna kuning telur dan Haught unit (HU). Hasil penelitian menunjukkan bahwa interaksi antara ransum, waktu dan suhu selama penyimpanan sangat nyata (P<0,01) menurunkan warna kuning telur. Waktu dan suhu penyimpanan sangat nyata (P<0,01) menurunkan HU dan meningkatkan persentase kuning telur. Interaksi waktu dan suhu penyimpanan nyata (P<0,05) menurunkan persentase putih telur. Tebal kerabang nyata (P<0,05) meningkat dipengaruhi oleh ransum dan sangat nyata (P<0,01) meningkat dipengaruhi oleh waktu penyimpanan. Berat telur dan persentase kerabang telur tidak dipengaruhi oleh ransum, waktu dan suhu penyimpanan. Kesimpulan penelitian adalah suplementasi tepung kulit manggis dan Vitamin E di dalam ransum ayam ras petelur strain Lohmann secara umum tidak mempengaruhi kualitas fisik telur (kecuali warna kuning telur dan tebal kerabang) yang disimpan pada waktu dan suhu yang berbeda. Kualitas fisik telur lebih utama dipengaruhi oleh waktu dan suhu penyimpanan yang berbeda. Suhu dan kelembaban terbaik untuk penyimpanan telur adalah 4,13oC dan 22,50% pada refrigerator, pada kondisi ini telur dapat disimpan selama 21 hari. 
PENGARUH PENAMBAHAN TANIN DAUN NANGKA (Artocarpus heterophyllus) TERHADAP NILAI BIOLOGIS DAUN KELOR (Moringa oleifera) DAN JERAMI KACANG HIJAU (Vigna radiata) SECARA IN VITRO Wahyono, Teguh; Sasongko, Wahidin Teguh; Sholihah, Maratus; Pikoli, Megga Ratnasari
Buletin Peternakan Vol 41, No 1 (2017): BULETIN PETERNAKAN VOL. 41 (1) FEBRUARI 2017
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (920.755 KB) | DOI: 10.21059/buletinpeternak.v41i1.22450

Abstract

Nutrien daun kelor (Moringa oleifera) dan jerami kacang hijau (Vigna radiata) sebagai hijauan pakan ternak cukup berkualitas sehingga perlu diproteksi untuk meningkatkan efektivitas penggunaannya di dalam rumen. Daun nangka mengandung total tanin sebesar 7,08%, sehingga potensial digunakansebagai bahan untuk memproteksi bahan pakan sumber protein. Studi in vitro perlu dilakukan untuk mengevaluasi penggunaan tepung daun nangka untuk meningkatkan efektivitas penggunaan hijauan berupa daun kelor dan jerami kacang hijau. Tujuan dari studi yang dilakukan adalah untuk mengetahuipengaruh penambahan tepung daun nangka terhadap nilai biologis daun kelor dan jerami kacang hijau. Evaluasi produksi metana juga dilakukan untuk mengetahui efisiensi proses fermentasi. Perlakuan penelitian adalah: 1) jerami kacang hijau; 2) jerami kacang hijau + 0,7% daun nangka; 3) jerami kacanghijau + 1 ,4% daun nangka; 4) daun kelor; 5) daun kelor + 0,7% daun nangka; 6) daun kelor + 1 ,4% daun nangka. Penelitian ini menggunakan rancangan acak lengkap dengan pengulangan sebanyak tiga kali. Pengamatan dilakukan terhadap produksi gas total (inkubasi ke-0, 2, 4, 6, 8, 10, 12, dan 24 jam),konsentrasi gas metana (%), karakteristik produksi gas dan karakteristik produk fermentasi rumen. Hasil penelitian menunjukkan bahwa penambahan tepung daun nangka tidak berpengaruh terhadap produksi gas total, produksi gas maksimum dan laju degradasi kedua jenis hijauan pakan. Penambahan 0,7 dan1,4% tepung daun nangka dapat menurunkan konsentrasi gas metana daun kelor berturut-turut sebesar 4,93% dan 3,19%. Penambahan tepung daun nangka juga mampu meningkatkan rasio CO2:CH4 substrat jerami kacang hijau masing-masing sebesar 4,42 dan 6,49%. Tepung daun nangka juga tidakmemberikan efek negatif terhadap produk fermentasi rumen (pH, NH3, VFA total, dan degradasi bahan organik).
DAYA SAING USAHA PENGGEMUKAN SAPI POTONG PETERNAKAN RAKYAT DI KABUPATEN BOJONEGORO, JAWA TIMUR Lestari, Retna Dewi; Baga, Lukman Mohammad; Nurmalina, Rita
Buletin Peternakan Vol 41, No 1 (2017): BULETIN PETERNAKAN VOL. 41 (1) FEBRUARI 2017
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (960.137 KB) | DOI: 10.21059/buletinpeternak.v41i1.16906

Abstract

The purpose of this study was to analyze the competitiveness on beef cattle fattening small scale business in Bojonegoro. Data processing quantitative methods using PAM (Policy Analysis Matrix). Analysis of competitiveness calculated by the approach of comparative advantage (Domestic Resources Cost Ratio) and competitive advantage (Private Cost Ratio), based on the results of the research value of the DRC and PCR respectively 1,04 and 1,05, this result shows that fattening beef cattle in Bojonegoro not competitive. Policy implications that can be applied in order fattening beef cattle in Bojonegoro competitiveness is to increase ADBW (Added Daily Body Weight) amounted to 17,33 percent, equivalent to 0,11 kg per day from the previous ADBW  0,55 kg per day, one attempts to do is the provision of input quality feed and concentrates, as well as the necessary counseling to farmers about the importance of quality feed and to improve the ability of farmers needed training and assistance from the Government of Bojonegoro.
PROTEIN FRACTIONATION AND UTILIZATION OF SOYBEAN AND REDBEAN AS AFFECTED BY DIFFERENT DRYING TEMPERATURE Jayanegara, Anuraga; Sari, Yesi Chwenta; Ridwan, Roni; Diapari, Didid; Laconi, Erika Budiarti
Buletin Peternakan Vol 41, No 1 (2017): BULETIN PETERNAKAN VOL. 41 (1) FEBRUARI 2017
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (878.916 KB) | DOI: 10.21059/buletinpeternak.v41i1.13922

Abstract

The objective of this study was to investigate the influence of different drying temperature on chemical composition, in vitro rumen fermentation and digestibility of soybean and redbean. Soybean and redbean were dried in an oven set at four different drying temperatures, i.e. 50, 60, 70 and 80 oC for 24 h in three replicates. Dried samples were then milled and used further for chemical composition determination (proximate analysis, Van Soest analysis and protein fraction) and in vitro rumen fermentation assay. Parameters measured in the in vitro assay were gas production, digestibility, pH, ammonia and volatile fatty acids (VFA). Data obtained were analyzed by using analysis of variance and a posthoc test namely Duncan’s multiple range test. Results revealed that neutral detergent insoluble crude protein (NDICP) content increased at higher drying temperature (70 or 80 oC) for both soybean and redbean (P<0.05) but at different magnitude. As with NDICP, higher temperature led to a higher acid detergent insoluble crude protein (ADICP) both in soybean and redbean (P<0.05). Higher temperature decreased gas production rate (GPR) of both beans (P<0.05). Drying of soybean at 70 or 80 oC decreased crude protein digestibility (CPD) of soybean than dried at 50 or 60 oC (P<0.05). Higher drying temperature resulted in a lower NH3 concentration (P<0.05). It can be concluded that drying temperature at 50 or 60 oC is safe to maintain nutritional quality of soybean and redbean.
POTENSI DARI KAPANG Aspergilus niger, Rhizophus oryzae DAN Neurospora sitophila SEBAGAI PENGHASIL EZIM FITASE DAN AMILASE PADA SUBSTRATE AMPAS TAHU Kanti, Atit -
Buletin Peternakan Vol 41, No 1 (2017): BULETIN PETERNAKAN VOL. 41 (1) FEBRUARI 2017
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1007.1 KB) | DOI: 10.21059/buletinpeternak.v41i1.13337

Abstract

Penambahan enzim hidrolisis untuk pakan ternak dapat meningkatkan nilai nutrisi pakan. Penelitian bertujuan untuk mendapatkan kondisi optimal untuk produksi enzim amilase dan fitase pada media ampas tahu menggunakan Aspergilus niger, Rhizophus oryzae dan Neurospora sitophila. Uji kemampuan produksi enzim fitase dan amilase oleh Aspergilus niger, Rhizophus oryzae dan Neurospora sitophila dilakukan menggunakan media ampas tahu yang disterilisasi. Pemilihan ketiga isolat ini diawali dengan uji produksi enzim amilase pada kultur cair yang mengandung 2 % pati, dan uji fitase dilakukan pada media yang mengandung 0.5 % sodium fitat. Hasil uji pada medium cair selanjutnya digunakan untuk uji produksi enzim fitase dan fitase pada sistem fermentasi padat (SSF) menggunakan ampas tahu sebagai media fermentasi. Untuk mendapatkan produksi enzim yang tinggi dilakukan melalui optimasi waktu inkubasi, suhu inkubasi dan pH media. Fitase dan amilase dapat diproduksi dengan media ampas tahu oleh R. oryzae, A. niger dan N. sitophila. Kondisi optimum untuk produksi fitase, yaitu waktu inkubasi pada hari keempat untuk ketiga kapang, suhu 25 °C untuk R. oryzae dan A. niger, suhu 30°C untuk N. sitophila, pH 8 untuk R. oryzae, pH 6 untuk Aspergillus niger dan N. Sitophila. Neurospora sitophila menghasilkan amilase optimum pada suhu 35°C, sedangkan Aspergillus niger dan Rhizopus oryzae optimum pada suhu 30°C. Penurunan aktivitas produksi amilase menurun oleh R. oryzae pada suhu 40°C. Amilase diproduksi optimal pada pH 6-7. Pakan ternak yang mengandung asam fitat mampu dihidrolisis oleh fitase pada kondisi optimum. Ketiga kapang juga menghasilkan enzim amilase pada media ampas tahu mengindikasikan bahwa ampas tahu merupakan susbtrat yang baik untuk produksi enzim hidrolisis yang berguna untuk meningkatkan nilai nutrisi pakan ternak.(Kata kunci: Amilase, Aspergilus niger, Neurospora sitophila, phytase, Rhizophus oryzae )
IMPROVING PHYSICO-CHEMICAL CHARACTERISTIC AND PALATABILITY OF KING GRASS (Pennisetum hybrid) SILAGE BY INOCULATION OF Lactobacillus plantarum - Saccharomyces cerevisiae CONSORTIA AND ADDITION OF RICE BRAN Sofyan, Ahmad; Widyastuti, Yantyati; Utomo, Ristianto; Yusiati, Lies Mira
Buletin Peternakan Vol 41, No 1 (2017): BULETIN PETERNAKAN VOL. 41 (1) FEBRUARI 2017
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (141.789 KB) | DOI: 10.21059/buletinpeternak.v41i1.12980

Abstract

This study was conducted to determine effectiveness of inoculants consisted of lactic acid bacteria Lactobacillus plantarum (Lp) and yeast Saccharomyces cerevisiae (Sc) combined with addition of rice bran on the physico-chemical characteristics and palatability of king grass (Pennisetum hybrid) silage. The experiment was arranged on the factorial randomized design (3x3) consisting of the inoculants treatments (control, Lp, Lp+Sc) and the addition level of rice bran (0, 5 and 10%). The measured variables were physico-chemical characteristics i.e. colour, odour, pH, lactic acid, Fleigh points, and palatability of silage. Inoculation of Lp and Lp+Sc improved silage odour and reduced fungal contamination. Silage was treated by Lp+Sc and rice bran (5-10%) showed reduction of pH and an increase of lactic acid and Fleigh points. However, interaction between inoculants and rice bran treatment was not significance. Either inoculation or addition of rice bran tended to enhance the palatability of silage in cattle. It concluded that the addition of inoculants L. plantarum and S. cerevisiae with/without addition of 5-10% rice bran could improve the physico-chemical characteristics of silage and its palatability to ruminant.
Strategi Penghidupan Peternak Sapi Perah Di Lereng Selatan Gunungapi Merapi Pasca Erupsi 2010 Andarwati, Siti; Rijanta, R; Widiati, Rini; Opatpatanakit, Yanin
Buletin Peternakan Vol 41, No 1 (2017): BULETIN PETERNAKAN VOL. 41 (1) FEBRUARI 2017
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (966.263 KB) | DOI: 10.21059/buletinpeternak.v41i1.12768

Abstract

This study aims to analyzed the strategies of dairy farmers in disaster prone areas (DPA) in the southern slopes of  Merapi  for sustaining livelihood after the eruption of Merapi volcano in 2010. Research conducted by the Survey method. Sampling was done by using the Census methods, consists of 84 dairy farmers in DPA III (Kaliadem hamlet) and 50 dairy farmers in DPA II (Gondang Wetan hamlet). Both hamlets were including Cangkringan district To find out the farmers strategies used descriptive method, that was to gather as much information related to their livelihood, covers three important aspects: assets (livelihood resources), access and activity. Statistical analysis that used for classification of livelihood strategies was Factor Analysis with SPSS 18. The results showed, there were nine  strategy chosen by the dairy farmers for sustaining livelihoods in order to ensure sustainable livelihoods: The combination of financial, physical asset and natural resources utilization, as well as maintained dairy farm; The combination of physical and social capital utilization, social access and business diversification; Utilization of social access; Utilization of social help and mutual access, Utilization of liquid assets and social capital; The combination of psychological factors with utilization of financial & social access; Utilization of financial assets and access with the use of pause time; Utilization of social capital; and Farm diversification. The combination of financial, physical asset and natural resources utilization, as well as maintained dairy farm was the most of dominant strategy chosen by the farmers, with the greatest cumulative value (27.645%). Psychological variable (sense of security) was to be the new finding in the theory of sustainable livelihood strategies. Social capital was the variable that dominated the basic options of sustainable livelihood strategy of dairy farmers after the eruption of Merapi in 2010.
KUALITAS KARKAS, MARBLING, KOLESTEROL DAGING DAN KOMPONEN NON KARKAS SAPI BALI YANG DIBERI PAKAN KULIT BUAH KAKAO FERMENTASI Suryanto, Edi; Bulkaini, Bulkaini; Soeparno, Soeparno; Karda, I Wayan
Buletin Peternakan Vol 41, No 1 (2017): BULETIN PETERNAKAN VOL. 41 (1) FEBRUARI 2017
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (943.992 KB) | DOI: 10.21059/buletinpeternak.v41i1.12757

Abstract

Penelitian ini bertujuan untuk mengetahui kualitas karkas, marbling dan kandungan kolesteroldaging serta komponen non karkas sapi Bali Jantan yang diberi pakan mengandung kulit buah kakao (KBK)fermentasi. Materi yang digunakan dalam penelitian ini adalah 8 ekor sapi Bali jantan berumur 1,5-2 tahundan berat badan 162,52±13,51 kg. Sapi Bali dibagi secara acak ke dalam 2 kelompok perlakuan pakan.Kelompok I diberi pakan yang mengandung 30% konsentrat komersial dan 70% jerami jagung, sedangkankelompok II diberi pakan yang mengandung 30% konsentrat (15% KBK fermentasi bioplus dan 15%konsentrat komersial) dan 70% jerami jagung. Sapi digemukkan selama 2 bulan dan dipotong pada akhirperlakuan pakan serta dianalisis kualitas karkas, marbling dan kandungan kolesterol daging dan komponennon karkasnya. Hasil penelitian menunjukkan bahwa perlakuan pakan tidak memberikan perbedaan yangnyata pada kualitas karkas, marbling dan kandungan kolesterol serta komponen non karkas sapi Bali.Persentase karkas, tebal lemak punggung, rib eye area dan indeks perdagingan sapi Bali kelompok Iberturut-turut adalah 54,76%, 2,80 mm, 61,79 cm2, 0,94%, sedangkan kelompok II berturut-turut adalah53,77%, 2,68 mm, 61 ,01 cm2, 0,91 %. Tingkat marbling dan kadar kolesterol sapi Bali kelompok I berturutturut adalah 3,91 % dan 85,00 mg/100g dan kelompok II berturut-turut adalah 3,43% dan 76,75 mg/100g.Kesimpulan hasil penelitian adalah bahwa kulit buah kakao yang difermentasi dengan bioplus dapatdigunakan untuk mensubstitusi penggunaan konsentrat komersial padapakan sapi Bali dan menghasilkankualitas karkas dan marbling daging sapi Bali yang tidak berbeda dengan sapi Bali yang mendapat pakankontrol.
THE EFFECT OF DIET CONTAINING HIGH ALPHA-LINOLENIC ACID ON OMEGA-3 FATTY ACIDS AND HEALTH STATUS OF THE HEART IN BROILERS Kartikasari, Lilik Retna; Hughes, Robert; Geier, Mark; Gibson, Robert
Buletin Peternakan Vol 41, No 1 (2017): BULETIN PETERNAKAN VOL. 41 (1) FEBRUARI 2017
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (782.506 KB) | DOI: 10.21059/buletinpeternak.v41i1.12727

Abstract

The objectives of the study were to examine the effect of diet high in alpha-linolenic acid (ALA) on omega-3 long chain polyunsaturated fatty acids (n-3 LCPUFA) and the health status of the heart. Diets were based on a commercial starter diet, with a low level of fat. The experimental diets contained two levels of ALA (2.23 and 19.37%), with the total fat content was approximately 5%. Pure or blended vegetable oils were included at a level of 2.8% in order to produce diets with the desired levels of linoleic acid (LA) and ALA. The ratio of LA to ALA of the diets  was  9.75:1 for control diet and 1.37:1 for high ALA diet. Each diet was provided ad libitum for the duration of the 28-d growth period. At 28 days of age, six selected birds from each pen (12 birds per group) were weighed individually and hearts were collected for analysis. A ratio of right ventricle mass (RV) to total ventricle mass (TV) was used to indicate the health status of the heart. Results showed that dietary treatment increased the level of ALA from 0.1% (control diet) to 0.5% (P<0.01). Increasing levels of dietary ALA raised the level of n-3 LCPUFA and total n-3 in heart tissues by 4-5-fold. There was no significant difference observed in the level of heart LA, arachidonic acid (AA) and total n-6. The increased levels of dietary ALA did not cause changes in the ratio of RV to total TV. In conclusion, it appears clear that based on our data, increasing ALA content in the diet of chickens could potentially be beneficial for the health of the birds; however, further work is necessary.
PEMBERIAN TEPUNG DAUN SIRIH (Piper Betle L.) PADA SAPI PERAH LAKTASI PASCA PUNCAK PRODUKSI UNTUK MENGOBATI DAN MENCEGAH MASTITIS SUBKLINIS Sudarman, Asep; Supriadin, Dedy; Jayanegara, Anuraga
Buletin Peternakan Vol 41, No 1 (2017): BULETIN PETERNAKAN VOL. 41 (1) FEBRUARI 2017
Publisher : Faculty of Animal Science, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (838.498 KB) | DOI: 10.21059/buletinpeternak.v41i1.12706

Abstract

The objective of the experiment was to find the best administration method of betel leaf meal in long term to prevent and to treat subclinical mastitis of lactating dairy cows. The experimental design used was a completely randomized design with four treatments and three replications and used twelve cows. The treatments were P0 (without betel leaf meal, as control), P1 (administration of betel leaf meal every day), P2 (administration of betel leaf meal with one week interval) and P3 (administration of betel leaf meal in 3 weeks and 1 week off). Parameters measured were somatic cell count, milk composition, milk production, immunoglobulin (IgG), level of glucose and triglyceride. Data were analyzed by using analysis of variance (ANOVA) and the differences amongst treatments were examined by Duncan multiple range test. Results showed that number of somatic cells in the control (P0) increased by 17.22%, whereas P1, P2 and P3 decreased somatic cell count by 95.74, 97.17 and 89.03%, respectively. Supplementation of betel leaves did not significantly affect milk composition, IgG, glucose and triglyceride. It was concluded that supplementation of betel leaf meal with one week interval (P2) was the best method in lowering the number of somatic cells and increasing milk production without changing the composition of milk.

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