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Journal of the Indonesian Tropical Animal Agriculture
Published by Universitas Diponegoro
ISSN : 20878273     EISSN : 24606278     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences
Journal of the Indonesian Tropical Animal Agriculture (JITAA) is a double blind peer-reviewed publication devoted to disseminate all information contributing to the understanding and development of animal agriculture in the tropics by publication of original research papers
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 11 Documents
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Search results for , issue "Vol 37, No 2 (2012): (June)" : 11 Documents clear
ANTIMICROBIAL ACTIVITY OF BACTERIOCIN FROM INDIGENOUS Lactobacillus plantarum 2C12 AND ITS APPLICATION ON BEEF MEATBALL AS BIOPRESERVATIVE Arief, I.I.; Jenie, B.S.L.; Suryati, T.; Ayuningtyas, G.; Fuziawan, A.
Journal of the Indonesian Tropical Animal Agriculture Vol 37, No 2 (2012): (June)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.37.2.90-96

Abstract

One purpose of food preservation is to extend the shelf life of foods. Biological preservations canbe conducted by adding antimicrobial substances, such as bacteriocin produced by lactic acid bacteriaand has been characterized as biopreservatives. The aims of this research were to evaluate antimicrobialactivity of bacteriocin produced by indigenous lactic acid bacteria Lactobacillus plantarum 2C12isolated from local beef and to study the quality of beef meatball with 0.3% bacteriocin asbiopreservative at different storage times (0, 3, and 6 days) in cold temperature (4oC), compared to 0.3%nitrite and control (without preservative). The results showed that bacteriocin from L. plantarum 2C12could inhibit pathogenic bacteria such as Escherichia coli, Staphylococcus aureus and SalmonellaTyphimurium. Bacteriocin was effective as well as nitrite as biopreservatives of meatballs by inhibitingthe growth of total microbes and E. coli. The addition of bacteriocin did not lead the physical andnutritional changes in the meatballs. The quality of meatball with bacteriocin treatment conformed withIndonesia National Standard of meatball.
FACTORS AFFECTING FARMER MOTIVATION IN REQUESTING DUCK FARM CREDIT: A CASE STUDY IN CIREBON, WEST JAVA, INDONESIA Saleh, A.; Lumintang, R.W.
Journal of the Indonesian Tropical Animal Agriculture Vol 37, No 2 (2012): (June)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.37.2.127-131

Abstract

Objectives of study was to observe and to analyze the farmer motivation in requesting farmer credit(bank loan) for duck, based on farmer characteristics and communication behavior. Sample was chosenamong duck farmers in Kroya village, Cirebon. Characteristic factors were: age, part-timer farmer, farmsize, experience, education, and income. While the communication behavior factors werecommunicating with extension worker or credit officer, and participating in social problems. Farmermotivation to apply credit impacted by their characteristics, such as educational level, income and age.Communication behavior, such as participating in extension activities and social organization,were moreimpacted to apply credit, than farmer characteristics. Communication activities can be used to persuadefarmer to apply credit.
MICROBIOLOGICAL PROPERTIES OF BEEF IN VARIOUS MEAT SHOPS AT SEMARANG, INDONESIA Nurwantoro, N.; Bintoro, V.P.; Legowo, A.M.; Purnomoadi, A.
Journal of the Indonesian Tropical Animal Agriculture Vol 37, No 2 (2012): (June)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.37.2.97-102

Abstract

The aim of the study was to assess microbiological properties of beef sold in various meatshops in Semarang. There are five Indonesian goverment standard requirements to maintain the qualityof beef sold in Indonesia markets, as follows: (1) total plate count (TPC) for a maximum of 106 CFU/g,(2) total coliform bacteria for a maximum of 102 CFU/g, (3) total Escherichia coli up to 10 CFU/g, (4)total Staphylococcus aureus for a maximum of 102 CFU/g and (5) negative for Salmonella per 25 gsamples (SNI 3932, 2008). Beef samples were randomly taken from several traditional markets, meatshops and supermarkets. The result showed that all samples did not contain Salmonella but still couldnot meet one or some of the Indonesian government standard regulation. In conclusion, beef samplesgathered from some of the markets, generaly could not meet one or some of the five strictlyrequirements of the bacteriological properties.
PROFITABILITY OF SMALLHOLDER DAIRY FARMS BASED ON THE PERFORMANCE OF LACTATING COWS AND FRESH MILK MARKET PRICES AT LOWLAND AREAS OF YOGYAKARTA Widiati, R.; Adiarto, A.; Hertanto, B.S.
Journal of the Indonesian Tropical Animal Agriculture Vol 37, No 2 (2012): (June)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.37.2.132-138

Abstract

This study was aimed to determine the profitability of smallholder dairy farmers at the lowlandareas of Yogyakarta related to dairy cow performance (milk production) to be achieved at various freshmilk market prices. Thirty lactating Holstein cows belonging to the 16 farmers at the lowland areas ofYogyakarta Province selling milk directly to the consumers were drawn as the samples. Profitability wasdetermined by enterprise budgeting (accounting profit and economic profit) and break even point. Inputand output data were obtained from interview with the farmer samples along with direct observations onthe cows performance. The results indicated that under the observed condition of 9.28 liter/day averagemilk production at IDR 4,700 market price, the accounting profit was found to be IDR7,758,862/lactating cow/year. The farmers were able to make an economic profit of IDR 1,839,875 withprofit margin index of 0.12. If the farmers have to sell the fresh milk to the Cooperatives at the price ofIDR 2.800 or IDR 3.200/liter, in order to gain a positive economic profit, milk production must be atleast 13.5 or 12.0 liters/day, respectively.
UTILIZATION OF POLYCLONAL ANTIBODIES PRODUCED IN LOCAL HORSES (EQUUS CABALLUS) AS A RESOURCE FOR DEVELOPMENT OF ELISA CONJUGATE TO DETECT HEPATITIS B VIRUS (HBV) SURFACE ANTIGENS Depamede, S.N.; Sriasih, M.; Yulianti, E.
Journal of the Indonesian Tropical Animal Agriculture Vol 37, No 2 (2012): (June)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.37.2.103-107

Abstract

The aim of this study was to utilize the antibody produced using Indonesia local horses (Equuscaballus) to make the conjugate of ELISA kit for detection of hepatitis B virus (HBV) surface antigen(HBsAg). The polyclonal antibodies were isolated and purified from local horses immunized repeatedlyusing isolated and purified HBsAg from Indonesia. The antibodies were conjugated with horseradishperoxidase by a modified method of Nakane and Kawaoi. The conjugate activities were performed usingthe principle of ELISA test conducted by the researchers as well as by independent laboratory.Commercial conjugate for HBsAg ELISA was used as a comparison study. The results of this studyindicated that the antibody produced from local horses can be used to make conjugates that werecomparable to commercial HBsAg ELISA kit.
RESPONSE OF DIFFERENT GENOTYPES OF BROILERS TO LYSINE SUPPLEMENTATION RAISED UNDER PRACTICAL CONDITION Indarsih, B.; Tamsil, M.H.
Journal of the Indonesian Tropical Animal Agriculture Vol 37, No 2 (2012): (June)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.37.2.139-148

Abstract

This study evaluated lysine supplementation of 4 to 42 day of age of two commercial broilergenotypes (Arbor Acres and Lohmann). Four hundred and fifty day-old chicks were sexed andrandomly distributed into 60 bamboo pens each 2 m2. A starter commercial diet as a basal diet wassupplemented with lysine mono-HCL in a 2x2x5 factorial arrangement with lysine levels of 0.0, 0.5,1.0, 1.5 and 2.0 g/kg fed from 4-21 days of age, and then followed by a finisher diet fed from 22-42days of age. Feed consumption, body weight gain and FCR were determined on weekly basis. On d 43of experiment, 4 birds per each replicate were processed for carcass parameters. Results of the studyrevealed that lysine supplementation in a starter commercial diet increased significantly carcass weight(P<0.05. Improved breast meat and lower abdominal fat were found in lysine supplementation. ArborAcres broilers response more efficient in low lysine whilst Lohmann broilers were better in a higherlevel of lysine.
PERFORMANCE OF LAYER HEN FED FERMENTED Jatropha Curcas L. MEAL SUPPLEMENTED WITH CELLULASE AND PHYTASE ENZYME Sumiati, S.; Mutia, R.; Darmansyah, A.
Journal of the Indonesian Tropical Animal Agriculture Vol 37, No 2 (2012): (June)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.37.2.108-114

Abstract

The objective of the experiment was to study the effect of feeding fermented Jatropha curcas L.meal (JCM) supplemented with cellulase and phytase on the performances of ISA-Brown laying henaged 25-30 weeks. The Jatropha curcas meal was fermented using Rizhopus oligosporus. In this study200 laying hens were used and distributed to 5 treatments and 4 replications in Completely RandomizedDesign. The diet treatments were: R0 = control diet (without JCM), R1; diet contained fermented JCM7.5%, R2; diet contained fermented JCM 7.5% + celullase 200 g/ton, R3; diet contained fermented JCM7.5% + phytase 200 g/ton and R4; diet contained fermented JCM 7.5% + cellulase 200 g/ton + phytase200 g/ton. The parameters observed were feed consumption, hen day egg production, egg massproduction, egg weight and feed conversion ratio. The results showed that feeding fermented JCM 7.5%,both enzyme supplemented as well as unsupplemented significantly decreased (P<0.05) the feedconsumption, hen day egg and egg mass production. However, the treatments did not influence the eggweight. Supplementation of cellulase (R2) or phytase (R3) improved the feed conversion ratio with thevalue as same as the R0 diet.
DETECTION OF MENDELIAN AND GENOTYPE FREQUENCY OF GROWTH HORMONE GENE IN ONGOLE CROSSBRED CATTLE MATED BY THE ARTIFICIAL INSEMINATION TECHNIQUE Paputungan, U.; Hakim, L.; Ciptadi, G.; Lapian, H.F.N.
Journal of the Indonesian Tropical Animal Agriculture Vol 37, No 2 (2012): (June)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.37.2.79-85

Abstract

The objectives of this study were to detect the Mendelian mode inheritance of growth hormone(GH) and to establish genotype frequency of GH gene in Ongole-crossbred cattle mated by the artificialinsemination (AI) technique. Total of 76 blood samples were collected from Ongole-crossbred cows andbulls (G0), and their progenies (G1) at the Tumaratas AI service center in North Sulawesi province,Indonesia. All blood samples were screened for the presence of GH locus using a PCR-RFLP methodinvolving restricted enzyme Msp1 on 1.2 % of agarose gel. Data were analyzed using statistical programfunction in Excel XP. The results showed that GH locus using alleles of Msp1+ and Msp1- enzymerestriction in Ongole-crossbred cows and bulls was inherited to their Ongole-crossbred progeniesfollowing the Mendelian mode inheritance. This Mendelian inheritance generated by AI technique wasnot under genetic equilibrium for the Msp1 genotype frequencies in groups of G0 and G1. The breedingprogram using genotypes of bulls and cows (G0) for generating the genotype of GH Msp1 enzymerestriction by AI technique should be maintained to increase these various allele dispersion rates forbreeding under genetic equilibrium of the Ongole-crossbred cattle population.
ISOLATION OF FUNGI FROM THE GASTROINTESTINAL TRACT OF INDIGENOUS CHICKEN Yudiarti, T.; Yunianto B.I., V.D.; Murwani, R.; Kusdiyantini, E.
Journal of the Indonesian Tropical Animal Agriculture Vol 37, No 2 (2012): (June)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.37.2.115-120

Abstract

Gastrointestinal tract of chicken is a place in which many kinds of fungi can be found. The aim ofthe research was to isolate fungi from the gastrointestinal tract of the indigenous chicken (AyamKampung). The chicken samples were four days, one week and two months old and were sampled fromchicken farm located in Yogyakarta. Potato dextrose agar (PDA) medium was used to grow the fungi.Fifty pure isolates of fungi were found from three different ages, those were four days, one week andtwo months old chicken were 5, 10 and 35 isolates respectively. The largest number of isolate was foundin ileum, then followed by caecum, jejenum and duodenum. The fifty isolate of fungi belonged to sevenspecies, those were Aspergillus fumigatus, Aspergillus niger, Chrysonilia crassa, Mucor circinelloides,Mucor sp, Rhizopus oligosporus and Rhizopus oryzae.
POTENCY AND DEVELOPMENT STRATEGY OF SPOTTED BUFFALO IN SANGGALANGI SUBDISTRICT, NORTH TORAJA DISTRICT, SOUTH SULAWESI Komariah, K.; Setyono, D.J.; Afandi, A.
Journal of the Indonesian Tropical Animal Agriculture Vol 37, No 2 (2012): (June)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.37.2.86-89

Abstract

The aim of this research was to analyze the reproduction performances, potency and developmentstrategy of Torajan's spotted buffalo. This research was done from July to September 2010 inSanggalangi’ subdistrict, North Toraja district, South Sulawesi. Purposive sampling was applied toobserve data. The primary data were taken by purposive sampling method and collected by interview of90 farmers. Results showed that sex ratio of male-female was 3:2. The first estrus was 2.48 years old,the estrus period was 23 hours and the oestrus cycle was 19 days. The first mating was 2.87 years oldwith the conception period about 387 days. Furthermore, the first partus was at 3.74 years old, calvinginterval was 2 years. Calving rate and calf crops were relatively high. Calf crops were 77%, pre weaningmortality was 2.35%. Service per conception (S/C) was 1.85 and conception rate (CR) was 86.5%. Themost livelihoods in North Toraja is farmer. Spotted Buffalo population declined 24.31 % per year.SWOT analysis showed that score for internal factor was -0.25, whereas external factor was 2.25. It wasshowed that the sub-district Sanggalangi is in turnaround condition, so the development strategy ofTorajan’s spotted buffalo has to minimize the weakness and reached the opportunities.

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