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Gratiana Ekaningsih Wijayanti

Fakultas Biologi Universitas Jenderal Soedirman Purwokerto 53122

Author-ID : 2472246

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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PERBEDAAN DOSIS ALUMINIUM SULFAT (TAWAS) TERHADAP KUALITAS SPERMATOZOA DAN KADAR ALUMINIUM DALAM TESTIS MENCIT (Mus Musculus) SWISS WEBSTER Nuraini Hidayah Khasanah; Gratiana Ekaningsih Wijayanti; Sorta Basar Ida Simanjuntak
Scripta Biologica Vol 5, No 2 (2018)
Publisher : Fakultas Biologi | Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar

This study designated to evaluate the quality of reproductive organs system in the form of testicular weight, testicular volume and weight of epididymis; quality of spermatozoa include concentration, viability, motility, and morphology of spermatozoa; and aluminum accumulation in mice testis after administration of different aluminum sulfate dose, i.e., 0, 122,5, 245 and 490 mg/kg bb for 45 days were orally administrated using feeding tube through oral route for 45 days. The next objective is to evaluate the correlation between the doses of aluminum sulfate with each variable, as well as to assess the most influential doses of aluminum sulfate in reducing testicular weight and volume, epididymal weight, concentration, viability, motility, and morphology of cauda epididymal spermatozoa and increasing aluminum levels in testes Mice. The results showed that aluminum sulfate did not significantly (p>0.05) decrease testicular weight, testicular volume, epididymal weight, concentration and viability of spermatozoa, but significantly (p<0.05) decreased spermatozoa motility at doses of 245 and 490 mg/kg bb and reduce the proportion of spermatozoa with normal morphology at 490 mg/kg BW. The decrease of motility and percentage of spermatozoa with normal morphology is inversely proportional to the dose of aluminum sulfate each with the value of r = -0.034 and r = -457. Administration of aluminum sulfate for 45 days did not increase aluminum levels in the testes of mice. The use of aluminum sulfate in food processing or drinking water is still safe for human reproductive health.

PERKEMBANGAN OOSIT INDUK Osteochilus hasselti C.V. YANG DIBERI HORMON ESTRADIOL-17β DAN PAKAN DENGAN KADAR PROTEIN BERBEDA Andri Prajaka Santo; Untung Susilo; Gratiana E Wijayanti
Scripta Biologica Vol 1, No 1 (2014)
Publisher : Fakultas Biologi | Universitas Jenderal Soedirman

The availability of fish seed is very important in fish propagation. Good quality of fish seeds were produced by a good brooder which characterized a large number of egg production at spawning. The aims of this research were to evaluate the oocytes development in the hard-lipped Barb (Osteochilus hasselti C.V.) given 17β-estradiol, different percentage of protein in the diet, and their combination. This research was conducted experimentally applying Factorial Completely Randomized Design. The first factor was percentage of protein in the diet consisted of 4 levels namely 25% (P1), 30% (P2), 35% (P3), and 40% (P4), the second factor was dose of 17β-estradiol benzoate (EB) consisted of 3 levels namely 0 µg/kg of body weight (D0), 126 µg/kg of body weight (D1), and 210 µg/kg of body weight (D2), thus there were 12 combinations of treatment with 3 replicates. The results showed that neither of protein proportion or 17β-estradiol affected the proportion of oocytes of any developmental stage (p>0,05) within the first two weeks post spawning. The treatments, however, significantly increased the proportion of oocytes at V3-V5, V6-V7, and post-vitellogenic stages (p<0,05) started at week 4th post spawning. The GSI increased in correlation to the proportions of oocytes at stage ≥ V6 (r=0,701; p<0,01) and the dose of 17β-estradiol (r = 0.357, p <0.05). There was no significant different on GSI amongst the experimental groups. The HSI tend to decrease as the dose of 17β-estradiol increased (r = -0.210, p> 0.05). In conclusion, the percentage of protein in the diet and different doses of 17β-estradiol improved oocyte development of Hard-Lipped Barb (Osteochilus hasselti C.V.).

PERFORMA REPRODUKSI IKAN NILEM (Osteochilus hasselti C.V.) BETINA TERPAPAR MEDIA MENGANDUNG K2Cr2O7 SEBAGAI ENDOCRINE DISRUPTOR AGENT Purwo Raharjo; Windiriani Lestari; Gratiana Ekaningsih Wijayanti
Scripta Biologica Vol 9, No 1 (2022)
Publisher : Fakultas Biologi | Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.sb.2022.9.1.886

Heavy metals can generally act as EDCs. Likewise chromium hexavalent may serve as a Endocrine Disrupter, especially the fish reproductive system. This study aims to determine the effect of chromium hexavalent on estradiol content, ovarian development and liver of nilem female (Osteochilus hasselti C.V.), the researchers also want to see the dose of chromium hexavalent most influential on estradiol levels, ovarian development, and liver of nilem fish (Osteochilus hasselti C.V.) as well as the interaction between reproduction parameters with water quality of maintenance media of nilem fish (Osteochilus hasselti C.V.).This study uses the method of "quantitative experimental". The experimental design was Completely Randomized Design with treatment of chromium hexavalent dose of 0, 0.009, 0.018, 0.027 and 0.036 mg/L performed in 5 replications at 3 stages, ie 1st, 2nd, and 3th months post-spawning maintenance. At 1st month of maintenance, chromium hexavalent did not significantly affect the reproductive parameters of GSI (Gonadosomatic Index), fecundity, HSI and estradiol. The chromium hexavalent had no significant effect on GSI, fecundity and estradiol and significantly affected HSI at 2nd months of maintenance. Chromium hexavalent significantly affected GSI, fecundity, HSI and estradiol in a 3th month maintenance trial.

A SIMPLE PARAFFIN EMBEDDED PROTOCOL FOR FISH EGG, EMBRYO, AND LARVAE Gratiana Eka Wijayanti; Priadi Setyawan; Indah Dwi Kurniawati
Scripta Biologica Vol 4, No 2 (2017)
Publisher : Fakultas Biologi | Universitas Jenderal Soedirman

This paper describes a simple protocol of paraffin-embedded histological section for fish eggs, embryo and larvae of the hard-lipped barb and the giant gourami. The specimens were fixed in Bouin solution, washed in 70% ethanol, then were dehydrated in a series of ethanol solution of increasing concentration until absolute ethanol was reached. The specimens were cleared in graded xylene and were infiltrated with liquid paraffin then were embedded in pure paraffin. Upon sectioning, at 4–5 µm thick the specimens were attached to the gelatin-coated glass slide and let to dry at room temperature or 37°C overnight. The specimens were deparaffinized in xylene, rehydrated then were stained with hematoxylin and eosin. After being dehydrated in graded ethanol, the specimens were cleared in xylene and were mounted with an organic mounting agent. Any step in preparing histological section including samples collection, fixation, dehydration, infiltration and embedding might contribute to the quality of histological features. A proper knowledge of the tissues beeing processed, fixative solution and the histological techniques is essential to gain good results. Bouin fixative is preferable to fix fish larvae and produce a good histological feature. Decalcification is necessary to produce a good histological section on the specimens containing bone.

PERKEMBANGAN POST-LARVA IKAN NILEM Osteochilus hasselti C.V. DENGAN POLA PEMBERIAN PAKAN BERBEDA Didi Humaedi Yusuf; Gratiana E Wijayanti; Sugiharto Sugiharto
Scripta Biologica Vol 1, No 3 (2014)
Publisher : Fakultas Biologi | Universitas Jenderal Soedirman

Failure of adaptation in feed utilization can result in larval mortality. Post-larval stage is a critical period of fish development in which transition from internal feeding to external feeding occurs. This study aimed to determine the growth and survival of hard-lipped barb (Osteochilus hasselti C.V.) post-larvae fed with different feeding patterns. The experiment was conducted on an experimental basis with a completely randomized design (CRD). The treatments consisted of (P1) 100% Spirulina sp., (P2) 75% Spirulina sp. + 25% pellet powder, (P3) 50% Spirulina sp. + 50% powder pellet, (P4) 25% +75% sp Spirulina pellet powder, and (P5) 100% powder pellets. Day 1 post-hatching larvae were reared in aquaria with density of 17 fish / L for 8 weeks. The larvae were fed as much as 5% of the total weight of biomass. Post-larval development was evaluated by observing the development of the larvae morphology, the body length (every week), the biomass weight (every 2 weeks), and calculating their survival rate at week 8. Morphological data were analyzed descriptively. Data on body length, biomass weight and survival were analyzed using two-way ANOVA followed by LSD test. The results showed that the feeding pattern significantly affected the development of post-larvae (p<0.05). The most advance post-larval development was obtained from the post-larvae fed with 100% pellet powder. In this group, morphological characters of post-larvae in the first week were the mouth start opening, the skin was pigmented, and gall bladder in bi-lobes shaped, caudal fin and dorsal fins were differentiated. Completion of fins development was achieved by the third week when the post-larvae have adult morphological character. The highest body length and biomass weight of the post-larvae was obtained in the group fed with100% of pellets and the highest survival rate was found in the group fed with combination of 50% Spirulina sp. + 50% pellet powder (P3).

Co-Authors Andri Prajaka Santo Didi Humaedi Yusuf Indah Dwi Kurniawati Nuraini Hidayah Khasanah Priadi Setyawan Purwo Raharjo Sorta Basar Ida Simanjuntak Sugiharto Sugiharto Untung Susilo Windiriani Lestari

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