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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 599 Documents
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Chemical characteristic, lactic acid bacteria population, and angiotensin converting enzyme inhibitory activity of traditional fermented beef ”cangkuk” by spontaneous fermentation with the addition of bamboo shoot Mirdhayati, I.; Zain, W. N. H.
Journal of the Indonesian Tropical Animal Agriculture Vol 45, No 3 (2020): September
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.45.3.222-233

Abstract

This research was conducted to examine the chemical properties, lactic acid bacteria (LAB) populationand angiotensin converting enzyme (ACE) inhibitory activity of fermented beef meat with the addition of bamboo shoots. This research used factorial completely randomized design.Factor A was the preparation method of bamboo shoots: chopped, ground, and extracted. Factor B was the ratio of meat and bamboo shoots (B) which was1:0.75,1:1, 1:1,25ratios. The chemical properties observed were total protein, soluble protein, hydrolysisdegree, pHandtitratableacidity value. The results showed that bamboo shoot preparation methods by ground and extracted were able to reduce total protein, and pH value. The ratio of meat and bamboo shoot (1:0.75 and 1:1) wereable to decreasedtotal protein but increased total titratable acidity. The interaction of the factors A and factor B only occurredin increasing hydrolysisdegree. Both of two factors (A and B) couldnot significantly effect to the number of LAB.The ACE inhibitory activity ranged from 36.5 to 79.6%. It can be concluded that the preparation methods ofbamboo shoots by ground and 1: 0.75 and 1: 1ofbeef : bamboo shoot ratio couldincreasehydrolysis degree and had highest ACE inhibitory activity. 
BUSINESS PERFORMANCE OF DUCK FARMERS IN BREBES REGENCYCENTRAL JAVA Sumekar, W.; Isbandi, I.; Atmomarsono, U.; Susilowati, I.
Journal of the Indonesian Tropical Animal Agriculture Vol 38, No 3 (2013): (September)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.38.3.171-175

Abstract

The duck farmers in Brebes Regency has not been able to deal with the business dynamics with themain problems in feed and Day Old Duck (DOD).The aim of the research was to analyze the businessperformance of duck farmer in Brebes Regency. The technical and economical efficiency was calculatedto find out the status of duck farmer’s business performance. The research was conducted to four mostactive duck farmer groups (KTTI) in Brebes Regency. The research was done based on survey methodwith 123 duck farmers of the group member as the respondents. The research results show that not all ofthe duck farmers performed their business efficiently (the average technical efficiency is 0.9981) sincethe number of duck ownership, forage, and the use of technology were not optimum yet. The return toscale value of the duck farming businesses was 1.0868, which showed the presence of opportunity toincrease production. This research recommends that it is necessary to manage the productionmanagement in order to increase business performance by optimizing the number of duck ownership,forage feed, and the use of technology.
Texture, hedonic test and fatty acid profile of goat cheese with L plantarum TW14 and L. rhamnosus TW2 isolates stored at different temperature conditions Setyawardani, T.; Widayaka, K.; Sumarmono, J.; Rahardjo, A. H. D.; Santoso, S. S.; Sulistyowati, M.
Journal of the Indonesian Tropical Animal Agriculture Vol 43, No 3 (2018): September
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.43.3.230-237

Abstract

The purpose of this research was to investigate texture, hedonic test and fatty acids profile of goat cheese stored at cold and frozen temperatures for 60 days. Cheese was manufactured from goat milk with addition of probiotics bacteria L.plantarum TW14 and L.rhamnosusTW2 with a ratio of (1:1/v/v). Treatments were arranged in a factorial design, employing two factors, i.e. temperature (cold; frozen) and storage time (0; 15,30,45 and 60 days). Each treatment was repeated three times. Results showed that goat cheese stored at cold temperature has an average hardness-texture of 374.46 ±77.69 gf while that of the cheese stored at frozen temperature has 221.66 ±38.46 gf, which were significantly different (P<0.05). In term of flavor, texture and overall acceptability, there were no significant effects (P>0.05) of storage temperatures and storage time. However, the taste of cheese stored under cold and frozen temperatures was highly significant different (P<0.01). Fatty acids composition of cheese stored for 60 days in a cold storage showed that the highest fatty acid content was SFA which was 64.34% and USFA was 16.76%. During the 60-day storage, the SFA percentage of was relatively stable while the percentage of oleic acid USFA increased. 
Back-Matter (December 2015) Kurnianto, Edy
Journal of the Indonesian Tropical Animal Agriculture Vol 40, No 4 (2015): December
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.40.4.%p

Abstract

THE POTENCY OF DAIRY CATTLE AGRIBUSINESS DEVELOPMENT IN SEMARANG REGENCY, CENTRAL JAVA Mukson, M.; Ekowati, T.; Handayani, M.; Gayatri, S.
Journal of the Indonesian Tropical Animal Agriculture Vol 35, No 3 (2010): (September)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.35.3.179-184

Abstract

The study aimed to analyze the potency of dairy cattle agribusiness development in SemarangRegency and the factors influencing the potency of dairy cattle agribusiness development. The studywas conducted from September to December 2008 in Semarang Regency, Central Java, using surveymethod. Three districts were purposively chosen based on the largest population of dairy cattle in theSemarang Regency. Of the three districts selected, six villages were chosen based on the largestpopulation of dairy cattle. The respondents were chosen randomly using simple random, hence thesample size in this study was 90. Data were gathered through primary and secondary data. The data wereanalyzed descriptively and statistically. The analysis of LQ (Location Quotient) was used to analyze thepotency of dairy cattle agribusiness development, while the multiple regression model was used todetermine the factors affecting the potency of dairy cattle agribusiness development, with the followingregression equation: Y = a + b1x1 + b2x2 + b3x3 + b4x4 + b5x5 b7x7 b6x6 + + + e, whereas Y = is theproduction of milk, and x1 to X7, respectively, are x1 (age), x2 (education), x3 (Number of familymembers), x4 (number of lactating cows), x5 ( amount of feed, forage), x6 (amount of feed concentrate)and X7 (calving interval). The results showed that the potency of dairy cattle agribusiness developmentin Semarang Regency is potential (LQ> 1) with the value of 4.67 and LQ Population GDP = 1.71. Thisstudy indicated that socio, economic and demographic resources are important factors that can helpdevelop and improve dairy cattle farming. Meanwhile, there were significant relationships between 7independent factors and the potency of dairy cattle agribusiness development, with the followingregression equation: Y = -6.082 + 0.032 x1 + 0.223 x2 + 0.717 x3 + 9.221 x4 + 0.067 x5 x6 + 0.486 -0.323 X7 + e. Moreover, the value of R2 = 0.886, it is indicated that 88.6% of the variation in the thedependent variable can be explained by the independent variable, only 11.40% can be explained by othervariables.
A study on farmers’ choice in integrating paddy and cattle farming as farm management practices Widarni, N. A. A.; Kusumastuti, T. A.; Putra, A. R. S.
Journal of the Indonesian Tropical Animal Agriculture Vol 45, No 4 (2020): December
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.45.4.356-364

Abstract

The study was conducted to examine the farmers’ choice on the technology of the paddy and cattle integration farming and determine factors that affected the integrated adoption. Primary data were collected through personal interview from 198 respondents divided into three categories (‘no integration’, ‘partial integration’, and ‘full integration’) based on the farmer’s utilization of manure and crop residues at Magelang Regency, Central Java Province, Indonesia. Then, the data were analyzed by multinomial logit by using ‘no integration’ as a baseline. The results revealed that 60.6% of farmers had applied ‘full integration’, although most farmers rarely adopt both fermentation and composting technology. In conclusion, formal education, frequency of training, and farming experience were found significant in affecting the integration of paddy and cattle farming practice.
GENETIC VARIATION IN THREE BREEDS OF INDONESIAN LOCAL DUCKS BASED ON BLOOD AND EGG WHITE PROTEIN POLYMORPHISM Johari, S.; Ekasari, S.; Kurnianto, E.
Journal of the Indonesian Tropical Animal Agriculture Vol 38, No 1 (2013): (March)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.38.1.20-26

Abstract

A study of genetic variation of four blood protein loci and three egg white loci in three breeds ofIndonesian local ducks (Magelang duck = MAD, Tegal duck = TED and Mojosari duck= MOD) wasinvestigated by using polyacrilamide gel electrophoresis (PAGE). The result showed that four bloodprotein loci (Pre-albumin, Albumin, Transferrin and Post-transferrin) and three egg white loci(Ovalbumin, Ovoglobulin and Conalbumin) were found to be polymorphic in three breeds of localducks. There was no difference on blood and egg white protein polyimorphism. The average value ofheterozygosity on three breeds of local ducks had a genetic potential to determine the controlled matingsystem and selection to obtain pure line. The closest phylogenetic relationship among the three breeds oflocal ducks occurred between MAD and TED.
Measurement of several qualitative traits and body size of Lombok Muscovy Ducks (Cairina moshcata) in semi-intensive rearing Tamzil, M.H.; Lestari, L.; Indarsih, B.
Journal of the Indonesian Tropical Animal Agriculture Vol 43, No 4 (2018): December
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.43.4.333-342

Abstract

The study was conducted to identify phenotypic characteristics of Lombok Muscovy ducks. A total of 100 adult male and 100 adult female Muscovy ducks. The research location was determined by purposive random sampling, while the determination of farmers and Muscovy ducks was done incidentally. Observations were made on each Muscovy duck by observing the color, body weight and size of body parts. The body size data were tabulated, averaged, and then analyzed descriptively; meanwhile, the plumage color data were calculated in frequency. To find the relation between size of body parts and body weight, data were analyzed using simple regression. The study found that the male Muscovy ducks had two plumage characteristics, consisting of white and black-white, both shared the same frequencies, while in the female Muscovy ducks, white color was more dominant compared to the black-white color. The colors of the beak were divided into two i.e., black with a white color in the middle and reddish-white with pink colors in the middle. The size of Lombok Muscovy ducks was rather small in comparison with the other Muscovy ducks. The size of male duck was larger than that of the female.
Back-Matter (June 2016) Kurnianto, Edy
Journal of the Indonesian Tropical Animal Agriculture Vol 41, No 2 (2016): June
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.41.2.%p

Abstract

CORN SUBSTITUTION USING FERMENTED SOLID CASSAVA-WASTE ON BROILER CHICKEN Ali-Mursyid, W.M.; Bachruddin, Z.; Zuprizal, Z.; Nur-Cahyanto, M.
Journal of the Indonesian Tropical Animal Agriculture Vol 35, No 1 (2010): (March)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.35.1.9-15

Abstract

The objective of the research was to examine unfermented solid cassava-waste (USCW) andfermented solid cassava-waste (FSCW) as the substitution of corn in broiler ration. Two hundred and tenbirds of one-week-male broiler chicken were divided into seven kinds of one-way treatment ofcompletely randomized design. Five replications were used for each treatment; there were six chickensin each replication. The substitution levels of corn in broiler ration by USCW and FSCW were 0%(control), 10, 20, and 30%. The result showed that corn substitution up to 20% using USCW and FSCWdid not affect the digestibility of feed (DF), digestibility of soluble protein (DSP) and crude protein(DCP), and digestibility of starch (DS). Substitution up to 30% using FSCW did not affect the DSP andDCP. However, substitution of USCW at the same level decreased DSP, DCP, DF, and DS. Cornsubstitution up to 20% using USCW and FSCW did not affect the feed intake (FI), body weight gain(BWG) and feed conversion ratio (FCR). Substitution up to 30% using FSCW did not affect the BWGand FCR. However, substitution of USCW at the same level decreased BWG and increased FCR. FSCWcan be used as a substitute for the corn up to 30% without affecting the performance and the values ofthe nutrient digestibility, meanwhile USCW is only able to substitute corn up to 20%.

Page 3 of 60 | Total Record : 599

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