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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 14 Documents
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Search results for , issue "Vol 43, No 2 (2018): June" : 14 Documents clear
Amino acids digestibility of pelleted microparticle protein of fish meal and soybean meal in broiler chickens Suthama, N.; Wibawa, P. J.
Journal of the Indonesian Tropical Animal Agriculture Vol 43, No 2 (2018): June
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.43.2.169-176

Abstract

Commom protein sources for poultry, fish meal and soybean meal, were ground to obtain reduced particle size. The particle was then dissolved in distilled water (1 : 4 w/v), and added with 2 mL virgin coconut oil for every 500 mL solution prior to ultrasound transducer (ultrasonic bath) treatment to obtain protein microparticle. Reducing particle size is one possible way to increase protein utilization.180 birds were used for forced feeding and 10 other birds were plotted for endogenous correction, when they were one month and a half old. Microparticle protein of both ingredients were tested separately in either mash or pelleted forms and compared to intact protein. Completely randomized design with 3 treatments (intact, mash, and pellet) and 6 replications (10 bidrs each) was arranged for the respective ingredient. Protein and essential amino acid digestibilities, and calcium retention were the parameters measured. Analysis of variance continued to Duncan test were applied to statistically evaluate the data. Pelleted microparticle protein of fish meal and soybean meal, respectively, resulted in significantly (P<0.05) highest protein and amino acids digestibilities, and Ca retention although lower disgestibility of fewer amino acids was found in mash form. In conclusion, pelleted form of microparticle protein of either fish meal or soybean meal improve protein and mostly amino acids digestibilities, and calcium retention in broiler. 
Indirect evaluation of digestive tract function on male lambs and ram based on feed digestibility and eating behavior Prima, A.; Rianto, E.; Purbowati, E.; Purnomoadi, A.
Journal of the Indonesian Tropical Animal Agriculture Vol 43, No 2 (2018): June
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.43.2.124-130

Abstract

This studywasaimed to examine the development and function ofdigestive organsof lamb in digesting feed based on feed digestibility valueandeating behaviour. The materials used were 11 lambs aged 3-4 months, body weight(BW)14.78 ± 1.99 kg (CV 3.98%), and 11 ramsaged 10-12 months, BW 22.18 ± 1.81 kg (CV 3.29%). The study used a completelyrandomized design of 2x2 in nestedpatterns. There were two ages compared (lambs vs ram) and every age was nested the diet i.e.100%Napiergrass (G100) vs mixed pellet 50% grass and 50% concentrate(G50C50). The diet was given at 3.5% of BW. Parameters observed were dry matter intake(DMI)and digestibility, eating and ruminating time. The results showed that were no significant differences between lambs and rams in DMI (averaged 3.33% BW),digestibility (averaged 49.00%), eating (192.56 min/d), and ruminating (364 min/d). Animalsgiven diet G50C50 had higher (P<0.05) DMI (666 vs 565 g/d), digestibility (50.49%vs 47.53%), and less (P<0.05) eating (47 vs 338 min/d) and ruminating (305 vs 423 min/d), as compared withthose fed diet G100.It is concludedthat the digestive tracts of lambs had developed and function to the stage similar to ram. 
The effect of coating of edible film from bovine split hide gelatin on beef meatballs properties Wulandari, D.; Yuliatmo, R.; Sugiyanto, S.
Journal of the Indonesian Tropical Animal Agriculture Vol 43, No 2 (2018): June
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.43.2.177-183

Abstract

The aim of research wasto determine the effect of the coating of edible film derived from bovine split hide gelatin on inhibiting microbiological damages and properties of the beef meatballs with different coating concentrations. The material used was gelatin types A (processed with acid curing agent) from the bovine split hide and glycerol. The completed randomize design (CRD) with a factorial pattern of 3 x 3 was used in this study. The first factor was 3 levels of coating concentration (0, 5, and 10%) and the second factor was 3 levels of storage time at 10oC (3, 6, and 9 days). It was continued to Duncan's Multiple Range Test (DMRT) if the treatment indicated significant effect at aprobability level of 5%.The results showed that the storage time and coating concentration affected the soluble protein, pH value, water holding capacity (WHC), and total plate count (TPC) in beef meatballs. Bovine split hide gelatin can be used as an edible coating on beef meatballs and extend the shelf time of beef meatballs.
The effect of hatchery waste meal in ration on nutrient retention and performances of laying quails Indreswari, R.; Ratriyanto, A.
Journal of the Indonesian Tropical Animal Agriculture Vol 43, No 2 (2018): June
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.43.2.131-139

Abstract

The objective of this study was to investigate the effect of hatchery waste meal (HWM) as a whole or without shell (shell-less) in the diet on nutrient retention and performance of quails. The study used 500 female quails (Coturnix coturnix japonica) aged 30 days with an average initial body weight of 94.75±4.17 gr. The quails were randomly allocated to five dietary treatments in a completely randomized design with 5 replicates of 20 quails. The dietary treatments were: Control = basal diet, Whole 4% = 96% basal diet + 4% whole HWM, Whole 8% = 92% basal diet + 8% whole HWM, Shell-less HWM 4% = 96% basal diet + 4% of shell-less HWM, Shell-less HWM 8% = 92% basal diet + 8% of shell-less HWM. The data were subjected to analysis of variance, when the treatments indicated significant effect it was continued with Duncan’s Multiple Range Test. Quails fed HWM up to 8% improved (P<0.05) their crude fat retention, apparent metabolizable energy, calcium consumption and calcium retention (P<0.05). In addition, HWM in the ration increased the performance, and also yolk and albumen weight, but decreased (P<0.05) yolk and albumen index. It can be concluded that HWM improved performance and nutrient retention of quails.

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