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Hasanuddin Journal of Animal Science (HAJAS)
Published by Universitas Hasanuddin
ISSN : 26219182     EISSN : 26219190     DOI : -
Core Subject : Economy, Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Economics, Econometrics & Finance Immunology & microbiology
HAJAS aims to publish original research results and reviews on farm tropical animals such as cattle, buffaloes, sheep, goats, pigs, horses, poultry, as well as non domesticated Indonesian endemic animals, such as deers, anoa, babirusa, etc.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Hewan dan Zoologi
Articles 5 Documents
 1 
Search results for , issue "Vol. 7 No. 2 (2025)" : 5 Documents clear
Physiological Response and Productivity Indigofera Zollingeriana Mutan-2 After Salinity Stress with Different Defoliation Muarif, A.P.; Nadir, M.; Syahrir, S.
Hasanuddin Journal of Animal Science (HAJAS) Vol. 7 No. 2 (2025)
Publisher : Faculty of Animal Science, Hasanuddin University, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/hajas.v7i2.35582

Abstract

ABSTRACT The cultivation of Indigofera zollingeriana is carried out using coastal areas to develop livestock farming, and the genetic structure of the plant can be altered through gamma irradiation technology to enhance the level of tolerance and resilience. Therefore, this research aimed to analyze the physiological response and productivity of Indigofera zollingeriana mutant-2 plant at several doses of gamma irradiation. A separate plot method was used based on a completely randomized design (CRD). The main plot comprised defoliation duration for 40 (B1) and 70 days (B2), while the subplot consisted of gamma irradiation with dose treatment description A1= Control, A2= 100 Gy, and A3= 200 Gy. Physiological parameters of the Indigofera zollingeriana plant consisted of leaf area, index, proline, chlorophyll, and stomata. Meanwhile, productivity parameters, there are dry matter, total leaf, total branch, and stem ratio, were examined using the analysis of variance. The physiological responses of chlorophyll and stomata parameters were also reported in relation to the dose of gamma irradiation (P<0.05) and age of defoliation (P<0.05), respectively. In this context, gamma irradiation treatment affected productivity, specifically in terms of dry matter (P < 0.05). The interaction between the doses had a significant effect on the total branch of Indigofera zollingeriana mutant-2 (P<0.05). The results showed that a dose of 200 Gy of gamma irradiation, with defoliation 70 days after uniform pruning, was the most effective in providing physiological responses and plant productivity. Indigofera zollingeriana, Irradiation, Defoliation Age, Physiology, Productivity
Colour’s Profile of Longissimus Dorsi Beef at Different Kluwek Addition Levels and Marinating Times Wicaksono, A. D.; Nur, A.; Irwan, I.
Hasanuddin Journal of Animal Science (HAJAS) Vol. 7 No. 2 (2025)
Publisher : Faculty of Animal Science, Hasanuddin University, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/hajas.v7i2.43303

Abstract

Beef is a common food in everyday life. The longissimus dorsi muscle, known as rib eye, is one of the primary cuts of beef due to its tenderness and marbling, making it highly valued for culinary purposes. Meanwhile, kluwek (Pangium edule), a plant widely found in Southeast Asia and known locally as kepayang, is traditionally used as an antioxidant, preservative, and natural colouring agent in food preparation.  This study aims to analyze the colour profile of Longissimus dorsi beef by evaluating the effects of different levels of kluwek addition and marination times. The experiment was designed using a 5x4 factorial pattern with three replications. The first factor was the kluwek level (L1 = 0%, L2 = 2%, L3 = 4%, L4 = 6%), and the second factor was the marination time (W0 = 0 minutes, W1 = 30 minutes, W2 = 60 minutes, W3 = 90 minutes, W4 = 120 minutes).  Results indicated that the lightness (L*) of the beef was significantly affected (P<0.05) by the addition of 6% kluwek, with an interaction observed between kluwek levels and marination times. Redness (a*) was not significantly influenced (P>0.05) by any of the treatments, while yellowness (b*) was significantly reduced (P<0.05) with the addition of 6% kluwek.  In conclusion, adding 6% kluwek effectively alters the lightness (L*) and yellowness (b*) of the beef, while redness (a*) remains stable. This study highlights the potential of kluwek, a local ingredient, to enhance the visual properties of beef during marination. Keywords: Kluwek, Longissimus dorsi, Marinating time
Preservation of Eggs Using Chitosan and Its Application in Angel Cake Bani, N.A.I.S.; Hatta, W.; Nahariah, N.
Hasanuddin Journal of Animal Science (HAJAS) Vol. 7 No. 2 (2025)
Publisher : Faculty of Animal Science, Hasanuddin University, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/hajas.v7i2.36401

Abstract

Eggs are easily damaged because of their high nutritional content, particularly their protein content. Therefore, preservation methods are necessary, with one such method involving the use of chitosan to prolong the freshness of the eggs while preserving their quality. This study aimed to assess and compare the efficacy of chitosan in maintaining the quality of purebred chicken eggs when stored at room temperature and its application in processed angel cake products. The experimental approach employed for egg preservation was a completely randomized design (CRD) with four treatments (P0 = no treatment, P1 = 1% chitosan solution, P2 = 2% chitosan solution, and P3 = 3% chitosan solution), replicated five times. The data underwent variance analysis, followed by Duncan's test to ascertain the impact of chitosan on egg preservation and product quality. The results revealed a significant effect (P<0.05) of chitosan solution on egg weight loss, Haugh unit, yolk index, and egg pH. Notably, 3% chitosan was more effective in maintaining egg quality than 1% and 2% chitosan coatings. In the 3% treatment, egg weight loss only experienced a shrinkage of 2.57% or 1.67 g from the initial egg weight. Haugh Unit of 65.57, yolk index of 0.41, and egg pH of 7.98. Additionally, angel cake products made from preserved eggs using chitosan exhibited significant differences (P < 0.05) compared to those made from fresh eggs. The panelists preferred the texture and organoleptic attributes of the angel cake prepared with chitosan-preserved eggs. Keywords: Chitosan, egg interior quality, angel cakes, texture profile
Meat Quality Assessment for Meatball Production: Influence of Sales Volume Category and Location Hassani, W. A. I.; Hikmah, H.; Maruddin, F.
Hasanuddin Journal of Animal Science (HAJAS) Vol. 7 No. 2 (2025)
Publisher : Faculty of Animal Science, Hasanuddin University, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/hajas.v7i2.42941

Abstract

Meat is an essential food ingredient for meeting people's nutritional needs. According to the 2023 meat outlook data, 79.51% of total beef and 35.47% of total chicken meat are utilized by the food industry. Variations in meatball product quality may result from differences in the quality of meat raw materials. This study aims to evaluate the quality of meatball raw materials sold in the markets of Makassar City. This research employed a comparative observational design by collecting 100gram samples of chicken meat and frozen meat/heart from six meat sellers. The samples were then analyzed using analysis of variance (ANOVA), followed by an LSD test to determine significant differences. The results revealed that the factors of trader type, location, and the interaction significantly affected (P<0.05) on the pH value, tenderness, and color of the meat. The factors of Trader type and location significantly affected (P<0.05) the cooking shrinkage of the meat. While the interaction showed no significant effect (P>0.05) on the cooking shrinkage of the meat. Trader type significantly affected (P<0.05) the a* color value of the meat, while location and its interaction showed no significant effect (P>0.05) on a*. Trader type showed no significant effect (P>0.05) on the b* color value of the meat, while location and its interaction had significant effects (P<0.05) on the b* color value of the meat. These results indicate that large traders tend to have better meat quality than small traders, with higher average pH and tenderness and lower cooking shrinkage. Keywords: Meat Quality; Meatballs; Traditional Market
Characteristics of Chicken Meatballs with the Addition of White Oyster Mushroom (Pleurotus ostreatus) Anwar, C.; Irhami; I. R. Aprita; Irmayanti; M. Kemalawaty
Hasanuddin Journal of Animal Science (HAJAS) Vol. 7 No. 2 (2025)
Publisher : Faculty of Animal Science, Hasanuddin University, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/hajas.v7i2.43397

Abstract

Processed products in the form of gels made from meat protein, can be beef, chicken, or fish are meatballs which are made from ground beef with additives such as salt, tapioca flour and spices. This study was intended to investigate the dosage of white oyster mushroom supplementation on the quality characteristics of chicken meatballs. This study adopted a complete randomized design (CRD) with a dose of oyster mushroom supplementation which included 4 (four) treatments, namely A = 0%, B = 15%, C = 25% and D = 35% with 5 repetitions and 20 experimental units were obtained. The research variables included yield, ash content, and sensory analysis (color, taste, aroma, and texture). The results indicated that different levels of white oyster mushroom addition (0%, 15%, 25%, 35%) did not have a significant (P>0.05) effect on the color, taste, and texture of the meatballs but had a significant impact (P<0.05) on the yield and ash content as well as the sensory aroma of chicken meatballs. The highest-quality chicken meatballs were obtained with a 35% white oyster mushroom supplement, with product characteristics of ash content 1.69%, yield 94.6%, aroma 3.58, color 3.54, taste 3.20, and texture 3.70.

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