Liveweight gain and feed intake of weaned Bali cattle fed grass and tree legumes in West Nusa Tenggara, Indonesia

2014 ◽  
Vol 54 (7) ◽  
pp. 915 ◽  
Author(s):  
Dahlanuddin ◽  
O. Yanuarianto ◽  
D. P. Poppi ◽  
S. R. McLennan ◽  
S. P. Quigley
Keyword(s):  
Rice Bran ◽  
Block Design ◽  
The Other ◽  
Native Grass ◽  
Tree Legumes ◽  
Bos Javanicus ◽  
Chest Girth ◽  
Metabolisable Energy ◽  
Bali Cattle ◽  
Entire Male

Two experiments were conducted with weaned entire male Bali cattle (Bos javanicus) between 6 and 12 months of age. A randomised block design was used in both experiments, which consisted of four treatments (diets), with five replicates (animals) per treatment. In both experiments, the average daily liveweight gain (LWG), feed and water intake and diet digestibility were determined over 8 or 10 weeks, with chest girth and wither height measured at the commencement and end of the experiments. In Experiment 1, the treatments were fresh native grass, native grass supplemented with fresh sesbania, fresh sesbania and fresh sesbania supplemented with rice bran. In Experiment 2, the treatments were sole diets of leucaena hay, sesbania hay, moringa hay or gliricidia hay supplemented with sesbania hay. In Experiment 1, animals fed sesbania supplemented with rice bran had higher DM intake than did animals fed the other three diets. DM digestibility (DMD) was significantly lower for weaners fed the native grass diet than for those fed the other diets. Animals fed sesbania or sesbania supplemented with rice bran had a higher LWG (0.34 and 0.43 kg/day, respectively) and estimated metabolisable energy (ME) intake (0.71 and 0.80 MJ of ME/kg W0.75.day, respectively) than did animals fed native grass alone (0.03 kg/day; 0.58 MJ of ME/kg W0.75.day) or native grass supplemented with sesbania (0.07 kg/day; 0.64 MJ of ME/kg W0.75.day). In Experiment 2, animals fed gliricidia hay had the lowest DM intake. DM intake of animals fed moringa hay was higher than that of animals fed gliricidia hay, but lower than the intake of animals fed sesbania hay or leucaena hay. DMD of the sesbania and leucaena hay diets was lower than that of the gliricidia and moringa hay diets. Animals fed leucaena and sesbania hays had a higher LWG (0.47 and 0.43 kg/day, respectively) and estimated ME intake (0.75 and 0.78 MJ of ME/kg W0.75.day, respectively) than did animals fed moringa hay (0.22 kg/day; 0.66 MJ ME/kg W0.75.day) or gliricidia hay supplemented with sesbania hay (0.0 kg/day; 0.48 MJ ME/kg W0.75.day). In conclusion, tree legumes can safely be fed to growing Bali cattle as the sole component of the diet and some of them will increase LWGs above that of native grasses, which are typically fed to Bali cattle in villages.

Energy requirements for maintenance and growth of entire male Bali cattle in East Timor

2014 ◽  
Vol 54 (7) ◽  
pp. 908 ◽  
Author(s):  
Yuliaty ◽  
S. Low ◽  
J. Fisher ◽  
G. McL. Dryden
Keyword(s):  
Rice Straw ◽  
Feed Intake ◽  
Standard Error ◽  
East Timor ◽  
Energy Requirements ◽  
Bos Javanicus ◽  
Metabolisable Energy ◽  
Bali Cattle ◽  
Entire Male

The metabolisable energy (ME) requirements for maintenance and growth of entire male Bali cattle (Bos javanicus) were determined by regressing liveweight change on ME intake. Cattle were fed either a diet (DM basis) of 52.5% urea-treated rice straw plus 47.5% fresh leucaena forage (Expt 1), or fresh leucaena forage alone (Expt 2). In each experiment, liveweight change and feed intake were measured over 4 weeks, after a 1-week introductory period, and feed constituent digestibilities were measured during the final week. In Expt 1, 10 bulls between 1.5 and 3 years of age and weighing 123.7 ± 11.79 kg (mean ± s.d.) were allocated to DM intakes estimated to provide 0.75, 1.0, 1.25, 1.5, 1.75, or 2.0 times the estimated ME requirement for maintenance (based on calculations made from published CSIRO equations for tropical cattle species other than B. javanicus), with either one or two bulls per treatment. In Expt 2, the bulls were given treatments estimated to provide 0.85, 1.0, 1.4, 1.8, or 2.2 times the ME requirement for maintenance, with two bulls allocated to each treatment. The measured ME requirements for maintenance were 0.42 ± 0.369 and 0.40 ± 0.153 MJ/kg LW0.75.day (coefficient ± standard error, Expts 1 and 2, respectively). The ME requirement for ‘production’ (i.e. positive liveweight change of male Bali cattle under the specific conditions of the experiment) was calculated to be 39.2 MJ/kg liveweight gain in Expt 2. The calculated efficiency of use of dietary ME for production in Expt 2, was 0.34

Liveweight gain and feed intake of weaned Bali cattle fed a range of diets in Central Sulawesi, Indonesia

2012 ◽  
Vol 52 (7) ◽  
pp. 630 ◽  
Author(s):  
Marsetyo ◽  
Damry ◽  
S. P. Quigley ◽  
S. R. McLennan ◽  
D. P. Poppi
Keyword(s):  
Corn Stover ◽  
Rice Bran ◽  
Water Intake ◽  
Growth Rates ◽  
Elephant Grass ◽  
Native Grass ◽  
Copra Meal ◽  
Ad Libitum ◽  
Bali Cattle ◽  
Entire Male

Three experiments were conducted to determine liveweight (W) gain and feed and water intake of weaned Bali cattle offered a range of feed types. In each experiment, 18 weaned entire male Bali cattle were allocated to three treatment groups in a completely randomised block design, with six replicates (animals) per treatment. The dietary treatments were: Experiment 1, native grass fed ad libitum, native grass supplemented with rice bran at 10 g dry matter (DM)/kg W.day and native grass supplemented with a mixture of rice bran and copra meal in equal proportions fed at 10 g DM/kg W.day; Experiment 2, elephant grass hay fed ad libitum, elephant grass supplemented with gliricidia at 10 g DM/kg W.day, and gliricidia fed ad libitum; and Experiment 3, corn stover fed ad libitum, corn stover supplemented with gliricidia at 10 g DM/kg W.day, and corn stover supplemented with rice bran/copra meal in equal amounts (w/w) at 10 g DM/kg W.day. Each experiment was 10 weeks in duration, consisting of a 2-week preliminary period for adaptation to diets and an 8-week experimental period for the measurement of W change, feed and water intake and digestibility of the diet. Growth rates of 6–12-month-old, entire male Bali cattle fed a range of local diets ranged from 0.10 and 0.40 kg/day. Lowest growth rates occurred when the cattle were given the basal diets of native grass (0.104 kg/day), elephant grass (0.174 kg/day) and corn stover (0.232 kg/day). With the addition of supplements such as rice bran, rice bran/copra meal or gliricidia to these basal diets liveweight gains increased to between 0.225 and 0.402 kg/day. Forage DM intake was reduced with these supplements by on average 22.6% while total DM intake was increased by an average of 10.5%. The growth rate on gliricidia alone was 0.269 kg/day and feed DM intake was 28.0 g/kg W.day. Water intake was not affected by supplement type or intake. In conclusion, inclusion of small quantities of locally available, high quality feed supplements provide small-holder farmers with the potential to increase growth rates of Bali calves from 0.1 to 0.2 kg/day, under prevailing feeding scenarios, to over 0.4 kg/day.

Metabolisable energy requirements for maintenance and gain of liveweight of Bali cattle (Bos javanicus)

2014 ◽  
Vol 54 (9) ◽  
pp. 1311 ◽  
Author(s):  
S. P. Quigley ◽  
Dahlanuddin ◽  
Marsetyo ◽  
D. Pamungkas ◽  
A. Priyanti ◽  
...  
Keyword(s):  
Protein Content ◽  
Water Intake ◽  
Crude Protein ◽  
Crude Protein Content ◽  
Dry Matter Digestibility ◽  
Bos Javanicus ◽  
Wide Range ◽  
Metabolisable Energy ◽  
Bali Cattle ◽  
The Relationship

A series of liveweight gain (LWG), feed and water intake and digestibility experiments were conducted across eastern Indonesia. Thirty-six datasets of LWG, feed and water intake, and diet characteristics were used to determine the nutritional requirements of growing Bali cattle fed a wide range of diets that varied in crude protein content and apparent dry matter digestibility. Regression of average daily LWG against estimated metabolisable energy (ME) intake was conducted, and the ME requirements for maintenance of liveweight (LW, 0 kg/day) and LWG were determined. It was estimated that the ME required to maintain LW of this class of Bali cattle, across the range of diets evaluated, was 0.47 MJ ME/kg LW0.75.day and that 34 MJ ME was required for each kg LWG, or 29 g LWG/MJ ME. The relationship between estimated ME intake and LWG was not affected by the crude protein content of the diet. The data demonstrate that ME requirements for maintenance of LW of Bali cattle are comparable with values for other cattle species, but that this class of Bali cattle is generally less efficient in the use of ME for LWG across the range of diets evaluated.

scholarly journals CHARAKTERISTICS OF BALI CATTLE YOUNG BULL UNDER TRADITIONALLY LIVESTOCK SYSTEM IN MERBAUN VILLAGE REGENCY OF KUPANG

2017 ◽  
Vol 3 (1) ◽  
pp. 11
Author(s):  
Abdullah Baharun ◽  
Henderiana L. L Belli ◽  
Thomas M Hine
Keyword(s):  
Body Weight ◽  
Body Size ◽  
Body Length ◽  
Sperm Concentration ◽  
The Other ◽  
Young Bull ◽  
Brown Colour ◽  
Chest Girth ◽  
Bali Cattle ◽  
Livestock System

An experiment had been conducted in Merbaun Village, Regency of Kupang for three months. The objective of the experiment was to know characteristics of Bali cattle Bull i.e. age and body weight, body score condition, linier body size (e.g. chest girth, body length, and shoulder height), libido, scrotum circumference, and semen production. 125 of Bali cattle Bull with aged about 2-2,5 years were used  in physical measured while nine Bull were choosen randomly to measure libido and semen production. The results of the experiment showed that the average age and body weight were 25.83 ± 0.3719 months and 207.37 ± 1.84 kg, with BCS of 3.97 ± 0.04  (from 5 score), and the chest girth, body length, and shoulder height were 158.27 ± 0.71 cm, 106.87 ± 0.26 cm, and 108.55 ± 0.37 cm, respectively. About 77 head (61.6%) was brown colour, and the other 48 (38.4%) was black, with moderate of capacity of libido (score 7.22 ± 0.66  from  9 score). The average of scrotum circumference was 25.67±1.20 cm, volume of semen were  2.54±0.69 ml and sperm concentration was 1.26 x 109 per ml repectively. Of the total of 125 Bali cattle young bull, only 26% fulfilled the Indonesia Standard of Bali young bull.Key word : young bull, bali cattel, traditionally livestock.

scholarly journals Review: Genetic diversity of local and exotic cattle and their crossbreeding impact on the quality of Indonesian cattle

2015 ◽  
Vol 16 (2) ◽  
Author(s):  
SUTARNO SUTARNO ◽  
AHMAD DWI SETYAWAN
Keyword(s):  
Genetic Diversity ◽  
Climatic Conditions ◽  
The Other ◽  
Reproductive Capacity ◽  
Zebu Cattle ◽  
Cattle Breeds ◽  
Bos Javanicus ◽  
Taurine Cattle ◽  
Bali Cattle

Sutarno, Setyawan AD. 2015. Genetic diversity of local and exotic cattle and their crossbreeding impact on the quality of Indonesian cattle. Biodiversita16: 327-354.Several species of cattle had been domesticated around the world, but only two species werefarmed extensively, zebu cattle (Bos indicus) of the tropics and taurine cattle (Bos taurus) of the subtropical areas. Both of them hadhundreds variety of offspring in the worlds. The third species of cattle that most widely farmed was Bali cattle (Bos javanicus), anindigenous cattle from Indonesia that was domesticated from wild banteng (Bos javanicus javanicus). Besides Bali cattle, Indonesia hadalso some local cattle as direct descendants of or as Crossbreeds of those three cattle. These cattle had been adapted to climaticconditions, feeds and diseases in Indonesia. Local zebu cattle that relatively pure were Peranakan Ongole (PO) or Ongole breeds andSumba Ongole (SO). The main Crossbreed between zebu and Bali cattle was Madura cattle. The other well-known cattle of this wereAceh cattle, Pesisir cattle, Rancah cattle, Jabres cattle, Galekan cattle and Rambon cattle. Crossbreeds of taurine and zebu cattlegenerally produced calf that declining reproductive ability in generations. One fairly successful was Grati cattle or Holstein FreisianIndonesia (FHI) which was a crossbreed of Holstein Friesian and PO cattle. In recent decades, there were many crossbreed activitiesthrough artificial insemination between local cattle and taurine cattle to produce excellent beef cattle, mainly Simmental and Limousin.This activity was carried out widely and evenly distributed throughout Indonesia. It was conducted on all local cattle breeds and wasstrongly supported by local farmers. This crossbreeding activity was feared to change the genetic diversity of local Indonesia cattle,where the descendants could not adapt to the climatic conditions, feeds and localized diseases; and the ability of reproduction continuesto decline in generations, there fore the availability of parental cattle should be maintained continuously. This crossbreed had producedsome new breeds, among others Simpo (Simmental x PO), Limpo (Limousin x PO), Simbal (Simmental x Bali cattle), Limbal(Limousin x Bali cattle), and Madrasin or Limad (Limousin x Madura cattle). Male offsprings were sterile, while female offsprings hadlower reproductive capacity than of the parent’s. This lead to uncertainty over the guarantee of meeting the needs of protein (meat andmilk) of Indonesian in the future, thus there was a need of regulation. On the other hand, in the grasslands of North Australia, thebreeder had produced an eminent cattle breeds, namely Australian Commercial Cattle (ACC), from uncontrolled crossbreeds betweendifferent breedsof taurine and zebu cattle in the pasture, therefore this concerns ignored.

Evaluation of village-based diets for increasing the weight and condition of Ongole (Bos indicus) and Bali (Bos javanicus) cows in Indonesia

2014 ◽  
Vol 54 (9) ◽  
pp. 1368 ◽  
Author(s):  
R. Antari ◽  
T. M. Syahniar ◽  
D. E. Mayberry ◽  
Marsetyo ◽  
D. Pamungkas ◽  
...  
Keyword(s):  
Rice Straw ◽  
Rice Bran ◽  
Block Design ◽  
Bos Indicus ◽  
Pennisetum Purpureum ◽  
Feeding Strategies ◽  
Adaptation Period ◽  
Elephant Grass ◽  
Bos Javanicus ◽  
Ad Libitum

The aim of this research was to compare different feeding strategies to increase the weight and body condition score (BCS) of Ongole (Bos indicus) and Bali (Bos javanicus) cows kept by smallholder farmers in Indonesia. Thirty mature, non-pregnant, non-lactating Ongole and Bali cows were allocated to one of three treatment groups in a randomised block design, with five cows of each breed per treatment. The experiment consisted of a 2-week adaptation period and 24-week experimental period. In Weeks 1–17 cows were offered one of three diets; rice straw ad libitum plus gliricidia (Gliricidia sepium) at 3 g DM/kg W.day (RSG3), rice straw at 10 g DM/kg W.day plus gliricidia at 10 g DM/kg W.day, or elephant grass (Pennisetum purpureum) ad libitum. During Weeks 18–24 the cows previously fed the RSG3 diet were offered rice straw ad libitum plus rice bran at 10 g DM/kg W.day. There was no change to diets of the other groups. Feeding untreated rice straw plus gliricidia or rice bran only provided enough metabolisable energy for maintenance of both breeds. Ongole and Bali cows consuming elephant grass gained weight at 0.25 and 0.33 kg/day, respectively. However, even at these higher growth rates it would still take ~4–6 months for cows to gain 1 BCS unit (1–5 scale). Maintaining a good BCS would be a better management strategy.

Increasing Energy Ration of Bali Cattle to Improve Digestible Nutrient, Milk Yield and Milk Quality

2017 ◽  
Vol 3 (1) ◽  
pp. 7
Author(s):  
Ni Nyoman Suryani ◽  
I Wayan Suarna ◽  
Ni Putu Sarini ◽  
I Gede Mahardika
Keyword(s):  
Energy Intake ◽  
Milk Production ◽  
Milk Yield ◽  
Milk Fat ◽  
Block Design ◽  
Parent Body ◽  
Milk Quality ◽  
Metabolizable Energy ◽  
Increase Energy Intake ◽  
Bali Cattle

To determine the effect of energy levels on digestible nutrient, milk production and milk quality of 7 months pregnant Bali cattle, was the purpose of this study. The study was conducted in Bali, Province of Indonesia on 12 pregnant breeding phase of pre-calving (2 months before the birth) with the parent body weight 329-340 kg/head. The treatment given is four types of Metabolizable Energy (ME) levels: 2000, 2100, 2200 and 2300/kg respectively as treatment A, B, C, and D. All ration contain 10% of crude protein. Variables measured: energy intake, digestible nutrient, milk yield, and milk quality. This research is a randomized block design. The results showed that increase energy ration until 2300 kcal ME/kg would significantly (P<0.05) increase energy intake and highest at cattle consumed ratio D is 22239.55 kcal/day. However, digestible nutrient was not affected. Milk production increased with increasing energy rations and highest (P<0.05) at cattle received treatment D is 2179.83 ml/day compared to treatment A 936.67 ml/day. Milk fat and milk lactose also highest (P<0.05) in treatment D are 8.56% and 4.76% respectively. Based on these results, it can be concluded that increase energy ration will increase energy intake, milk yield and milk fat and milk lactose of Bali cattle. 

scholarly journals Quantification of Avoidable Yield Losses in Oilseed Brassica Caused by Insect Pests

2011 ◽  
Vol 51 (1) ◽  
pp. 38-43 ◽  
Author(s):  
Jagdev Kular ◽  
Sarwan Kumar
Keyword(s):  
Seed Yield ◽  
Yield Loss ◽  
Insect Pests ◽  
Block Design ◽  
Maximum Yield ◽  
The Other ◽  
Yield Losses ◽  
Eruca Sativa ◽  
Mustard Aphid ◽  
Randomized Block Design

Quantification of Avoidable Yield Losses in OilseedBrassicaCaused by Insect PestsA six year field study was conducted from 2001-2002 to 2006-2007 at Punjab Agricultural University, Ludhiana, India to study the losses in seed yield of differentBrassicaspecies (B. juncea, B. napus, B. carinata, B. rapaandEruca sativa) by the infestation of insect pests. The experiment was conducted in two different sets viz. protected/sprayed and unprotected, in a randomized block design, with three replications. Data on the infestation of insect pests, and seed yield were recorded at weekly intervals and at harvest, respectively. The loss in seed yield, due to mustard aphid and cabbage caterpillar, varied from 6.5 to 26.4 per cent.E. sativasuffered the least loss in seed yield and harboured the minimum population of mustard aphid (2.1 aphids/plant) and cabbage caterpillar (2.4 larvae/plant). On the other hand,B. carinatawas highly susceptible to the cabbage caterpillar (26.2 larvae/plant) and suffered the maximum yield loss (26.4%).

scholarly journals Uji Ketahanan Klon Kentang Hasil Pesilangan Atlantic x Repita terhadap Penyakit Hawar Daun Phytophthora infestans

Agrikultura ◽  
2018 ◽  
Vol 29 (2) ◽  
pp. 100
Author(s):  
Helmi Kurniawan ◽  
Ineu Sulastrini ◽  
Tarkus Suganda
Keyword(s):  
Late Blight ◽  
Phytophthora Infestans ◽  
Field Test ◽  
Block Design ◽  
Environmentally Friendly ◽  
Statistical Test ◽  
The Other ◽  
Resistant Variety ◽  
Resistance Level ◽  
Randomized Block Design

ABSTRACTResistance Test of Potato Clones Derived from Crossing of Atlantic x Repita to Late Blight (Phytophthora infestans)Late blight, incited by Phytophthora infestans is the most destructive disease of potato. The management that is effective and environmentally-friendly is the use of resistant variety. The objective of this study was to test the resistance of the six potato clones (AR 04, AR 05, AR 06, AR 07, AR 08 and AR 09) derived from crossing var. Atlantic x var. Repita to late blight caused by P. infestans. Var. Atlantic, Repita and Granola were used as susceptible, resistant and susceptible but the most-grown variety, respectively. Field test was located in Ciwidey, one of the potato growing center where late blight is endemic since potatoes are continuously grown. The treatments were arranged in a randomized block design with 3 replicates. The result showed that clones AR 07 and AR 08 were more resistant than the other potato clones, but it still below the resistance level var. Repita. However, based on statistical test on the diseases development (AUDPC), clone AR 08 could be categorized as resistant, equal with of the resistance level of var. Repita.Keywords: Potato clones, Rsistance, P. infestansABSTRAKPenyakit hawar daun yang disebabkan Phytopthora infestans merupakan penyakit utama pada tanaman kentang. Pengendalian yang efektif dan ramah lingkungan adalah dengan penanaman varietas tahan. Penelitian ini bertujuan untuk menguji ketahanan 6 klon kentang (AR 4, AR5, AR6, AR7, AR 8, dan AR9) yang merupakan hasil persilangan antara var. Atlantic (produksi tinggi tetapi rentan) dengan var. Repita, sebagai tetua tahan terhadap penyakit hawar daun yang disebabkan oleh P. infestans. Varietas Atlantic, Repita dan Granola digunakan sebagai pembanding. Pengujian ketahanan dilakukan di Ciwidey, yang merupakan salah satu sentra produksi kentang di Jawa Barat dan endemik penyakit hawar daun. Perlakuan ditata menggunakan Rancangan Acak Kelompok dengan 3 ulangan. Hasil penelitian menunjukkan bahwa klon AR 07 dan Klon AR 08 memiliki ketahanan yang lebih baik dibanding klon-klon kentang lainnya, namun tingkat ketahanannya masih di bawah cv Repita. Namun, berdasarkan uji statistik terhadap nilai perkembangan penyakit (AUDPC) klon AR 08 dapat dikategorikan tahan, sama dengan derajat tahan var. Repita.Kata Kunci: Klon kentang, Ketahanan, P. infestans

scholarly journals EFISIENSI PENGGUNAAN RANSUM SAPI BALI JANTAN YANG DISUBTITUSI DENGAN AMPAS TAHU DAN DEDAK PADI FERMENTASI

2015 ◽  
Vol 2 (1) ◽  
pp. 63
Author(s):  
Khoirul Mualimin ◽  
Natsir Sandiah ◽  
La Ode Ba'a
Keyword(s):  
Rice Bran ◽  
Feed Efficiency ◽  
Dry Matter ◽  
Animal Feed ◽  
Block Group ◽  
Animal Science ◽  
Group Design ◽  
Feed Control ◽  
Bali Cattle ◽  
Better Than

This research aims to know the efficiency of ration use of a male Bali cattle in substitution with tofu dregs and rice bran fermentation. This research was conducted during nine weeks in Nutrition and Animal Feed Laboratory of Animal Science Department of Animal Science Faculty, Halu Oleo University, Kendari, and in Alebo Village of Konda Subdistrict of South Konawe Regency. The treatments were R0 = concentrate without fermentation-based feed (control), R1 = rice bran fermnetation-based concentrate 50%, R2 = rice bran fermnetation-based concentrate 55%, R3 = rice bran fermnetation-based concentrate 60%. The experimental design used in this study was randomly group design with 4 traetments and 3 block/group. The result of variance analysis showed that dry matter concumption was not differ markedly (p>0,05), which justifies the dry matter concumption is average from the highest to the lowest is R1 (5,143 kg/cattle/day), R0 (5,063 kg/cattle/day), R3 (4,907 kg/cattle/day) and R2 (4,905 kg/cattle/day). The substitution tofu dregs know and rice bran fermentation to 60% in ration not effect real (p>0,05) addition average daily againt of a male Bali cattle, but in quantitative R3 rations give a good response better than R0, R1 and R2 (0,542 kg/cattle/day than 0,402 kg/cattle/day, 0,411 kg/cattle/day and 0,435 kg/cattle/day). While the efficiency of used R3 rations (10,888%) higher than R2 (9,027%), R1 (8,080%) and R0 (8,075%). Conclusion that in substitution tofu dregs and rice bran fermentation to 60% in rations can give a good the efficiency of ration used of a male Bali cattle.Key Words: Bali cattle, dry matter consumption, feed efficiency, rice bran fermentationABSTRAKPenelitian ini bertujuan untuk mengetahui efisiensi penggunaan ransum sapi Bali jantan yang disuntitusi dengan ampas tahu dan dedak padi fermentasi. Penelitian ini dilaksanakan selama sembilan minggu di Laboratorium Ilmu Nutrisi dan Makanan Ternak Jurusan Peternakan Fakultas Peternakan Universitas Haluoleo Kendari dan di desa Alebo kecamatan Konda Kabupaten Konawe Selatan. Perlakuan yang dicobakan adalah R0= konsentrat berbasis pakan tanpa fermentasi (kontrol), R1= konsentrat berbasis dedak padi fermentasi 50%, R2= konsentrat berbasis dedak padi fermentasi 55% dan R3= konsentrat berbasis dedak padi fermentasi 60%. Rancangan percobaan yang digunakan adalah Rancangan Acak Kelompok (RAK) dengan 4 perlakuan dan 3 ulangan (blok/kelompok). Hasil analisis ragam menunjukkan bahwa dengan subtitusi ampas tahu dan dedak padi fermentasi sampai 60% dalam ransum tidak berpengaruh nyata (p>0,05) terhadap pertambahan bobot badan sapi Bali jantan, akan tetapi secara kuantitaif ransum R3 memberikan respon yang lebih baik dibanding R0, R1 dan R2 (0,542 kg/ekor/hari dibanding 0,402 kg/ekor/hari, 0,411 kg/ekor/hari dan 0,435 kg/ekor/hari). Konsumsi bahan kering ransum tidak berbeda nyata (p>0,05), dimana rataan konsumsi bahan kering dari yang tertinggi sampai terendah adalah R1 (5,143 kg/ekor/hari), R0 (5,063 kg/ekor/hari), R3 (4,907 kg/ekor/hari) dan R2 (4,864 kg/ekor/hari). Sedangkan efisiensi penggunaan ransum R3 (10,888%) lebih tinggi dibandingkan R2 (9,027%), R1 (8,080%) dan R0 (8,075%). Kesimpulan bahwa subtitusi dedak padi fermentasi sampai 60% dalam ransum dapat memberikan efisiensi penggunaan ransum sapi Bali jantan yang lebih baik.Kata Kunci: Sapi Bali, PBB, Konsumsi bahan kering, Efisiensi ransum, Dedak padi fermentasi

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