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All Journal JURNAL SAINS Hasanuddin Journal of Animal Science (HAJAS)
S. Purwanti
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Economics, Econometrics & Finance Immunology & microbiology

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Identifikasi Resiko pada Proses Pengujian Bahan Kimia di Laboratorium PT. ABC Balikpapan K. Rusba; Maslina Maslina; S. Purwanti; Hardiyono Hardiyono; J.E.A. Liku; I. Siboro; L.M. Zainul; S. Hartono
SAINS : Jurnal Kimia & Pendidikan Kimia Vol 10, No 1 (2021): EDISI JUNI 2021
Publisher : PKimia FKIP Universitas Halu Oleo

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Abstract

Chemical laboratories in the company are included in the work area that has a hazard and high risk. Therefore, effective safety management is required to control the risk of. Research on initial risk assessment and end risk and effectiveness of risk control in the activities of practicum finalizing bottle test in laboratory of PT. ABC Balikpapan. Assess the level of risk on activities in the chemical laboratory of PT. ABC. Hazard identification method finalizing bottle test using task risk analysis, while for risk analysis is done using semi-quantitative risk analysis method with risk assessment criteria (consequence, likelihood) and risk control is also made and then analyzed the result. The results of the average major risk of the end of the initial risk indicating that risk control in the activities of practicum chemical bottle Test finalizing in the laboratory of PT. ABC is good, but there are some high risk value of the end, such as the risks associated with the incidence of fire and explosion. So it is necessary to improve the laboratory safety management through the risk analysis program at every practice activity in the laboratory of PT. ABC.
Prebiotic, Probiotic, and Synbiotic Effect on Performance and Small Intestinal Morphology of Broiler Chicken Assaf, A. F.; Rahardja, D.P.; Purwanti, S.
Hasanuddin Journal of Animal Science (HAJAS) Vol. 7 No. 1 (2025)
Publisher : Faculty of Animal Science, Hasanuddin University, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/hajas.v7i1.42991

Abstract

The study was conducted to investigate the effect of prebiotic, probiotic, and synbiotic supplementation through drinking water on broiler performance and small intestine morphology. A total of 100 day-old broiler chicks (Ross) were randomly allocated into 4 treatments with 5 replicates, with 5 broilers in each experimental unit for 35 days. The drinking water treatments were P0: Water (Control); P1: Water + Prebiotic (5 g/L); P2: Water + Probiotic (3 g/L); P3: Water + Synbiotic (Probiotic 3 g/L + prebiotic 5 g/L). Commercial feed consisting of the three rearing phases was used during the study, and drinking water was provided ad libitum. Parameters measured were water and feed consumption, body weight gain, feed conversion, performance index, small intestine morphometry, which is measured by the length/weight ratio, and Histo-morphometry of the small intestine of individual segments, duodenum, jejunum, and ileum at the end of the experiment on 3 chicken samples (lightest, medium, heavy) from each treatment. The results showed that prebiotic, probiotic, and synbiotic supplementation through drinking water significantly (P<0.05) affected drinking water and feed consumption, body weight gain, feed conversion, length/weight ratio, and histo-morphology of the small intestine. Overall, it can be concluded that synbiotic supplementation demonstrated a synergistic effect between prebiotics and probiotics, outperforming prebiotic and probiotic supplementation separately in terms of performance, small intestine ratio, and small intestine histomorphology. Synbiotics also significantly showed a trend towards feed use efficiency, as seen in feed conversion. Keywords: Broiler Chicken, Natural Growth Promotor, Performance Index, Intestinal Gut Ratio, and Intestinal Histomorphometry
Co-Authors Anak Agung Istri Sri Wiadnyani Assaf, A. F. D.P. Rahardja I. Siboro J.E.A. Liku K. Rusba L.M. Zainul Maslina Maslina S. Hartono