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Prof. Dr. Imam Mustofa, drh., M.Kes
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Department of Veterinary Reproduction, Faculty of Veterinary Medicine, Universitas Airlaangga, Kampus C Mulyorejo – 60115, Surabaya 3015
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Ovozoa: Journal of Animal Reproduction
Published by Universitas Airlangga
ISSN : 23026464     EISSN : 2722967X     DOI : http://dx.doi.org/10.20473/ovz.v9i1.2020.1-6
Core Subject : Health, Agriculture,
Agriculture, Biological Sciences & Forestry Veterinary
Ovozoa Journal of Animal Reproduction (Ovozoa J Anim Reprod) published original articles, review articles, and case reports in Indonesian or English, in the scope of veterinary reproduction and animal reproductive biotechnology from researchers, lecturers, students, and practitioners around Indonesia and worldwide. The main objective of the Ovozoa J Anim Reprod is to disseminate the results of scientific researches in the field of animal reproduction. Ovozoa J Anim Reprod invites manuscripts in the areas:  Development of reproductive diagnostic techniques  Development of reproductive technologies  Infectious and non-infectious reproductive diseases  Comparative pathology of reproductive diseases  Reproductive endocrinology  Infertility  Environmental and stress effects on reproduction  Better understanding of the in vivo fertilization process  Better understanding of embryonic development  Artificial insemination and embryo transfer  In vitro fertilisation and embryo culture  Sexual selection of sperm and embryo  Semen and embryo preservation  Reproductive cloning  Stem cell in reproduction  Development of assisted reproductive technologies  Molecular biology, genetics, proteomics, metabolomics application to reproductive biology
Arjuna Subject : Kedokteran Hewan - Kedokteran Hewan (Lain-Lain)
Articles 161 Documents
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Synergistic protective effects of α-tocopherol and zinc sulfate on superoxide dismutase activity and p53 expression in ovarian granulosa cells of lead-exposed female Wistar rats (Rattus norvegicus) iqbal dwi warsito; Suherni Susilowati; Erma Safitri; Ragil Angga Prastiya; Maya Nurwartanti Yunita; Amung Logam Saputro
Ovozoa: Journal of Animal Reproduction Vol. 14 No. 1 (2025): Ovozoa: Journal of Animal Reproduction
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ovz.v14i1.2025.16-24

Abstract

This study aimed to evaluate the protective effects of α-tocopherol and zinc sulfate on oxidative stress parameters in ovarian granulosa cells of female Wistar rats (Rattus norvegicus) exposed to lead acetate (Pb(C₂H₃O₂)₂). A total of 25 rats were randomly divided into five groups: Control (C), lead exposure only (T0), α-tocopherol + lead (T1), zinc sulfate + lead (T2), and α-tocopherol + zinc sulfate + lead (T3). Treatments were administered orally for 21 days. Superoxide dismutase (SOD) levels were measured spectrophotometrically, and p53 expression was analyzed using immunohistochemistry. The results showed that SOD levels significantly decreased in group T0 compared to the control (p <0.05), while treatment with either α-tocopherol (T1), zinc sulfate (T2), or their combination (T3) significantly improved SOD levels compared to T0. Moreover, p53 expression was markedly elevated in T0, indicating enhanced oxidative stress and potential apoptosis, whereas all antioxidant-treated groups showed reduced p53 expression, with T3 demonstrating values comparable to the control group. In conclusion, the combination of α-tocopherol and zinc sulfate provided a synergistic antioxidant effect, effectively enhancing SOD levels and suppressing p53 expression in granulosa cells of lead-exposed rats. This suggested a promising therapeutic potential of these compounds in mitigating lead-induced ovarian toxicity.
A study on the beneficial effect of advocating prophylactic spaying of young nulliparous bitches to prevent pyometra Sharveihn Sathindren; Suryo Kuncorojakti; Suzanita Utama; Tita Damayanti Lestari; Wiwik Misaco Yuniarti
Ovozoa: Journal of Animal Reproduction Vol. 14 No. 1 (2025): Ovozoa: Journal of Animal Reproduction
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ovz.v14i1.2025.8-15

Abstract

This study aimed to evaluate the potential benefits of advocating elective spaying (ES) in young nulliparous bitches as a preventive measure for pyometra, a severe and potentially life-threatening condition. Specifically, the study examined whether elective spaying, which eliminates the risk of pyometra and its associated complications, offers significant advantages over the treatment of pyometra once it develops. Generally, the short- and long-term risks associated with elective spaying are minimal when compared to the significant complications and dangers posed by pyometra. A retrospective open-ended study was conducted, collecting data from veterinary clinics across Penang Island using a structured questionnaire. Information was gathered primarily from medical records and interviews with veterinarians and pet owners when data were missing or unclear in the records. The study compared 30 bitches of various breeds who underwent elective spaying with 30 bitches who underwent emergency ovariohysterectomy (EOH) due to pyometra. A standard set of outcomes was evaluated to assess and compare complications. The results showed that the elective spaying group experienced only minor or trivial complications, and owners incurred significantly lower costs compared to those whose bitches underwent emergency surgery for pyometra, which was associated with more severe complications and substantially higher costs. Based on these findings, the study concluded that elective spaying is a safe and cost-effective prophylactic measure against pyometra.
Estrus quality, non-return rate and conception rate in the incidence of repeat breeding in dairy cow after 2%povidone iodine therapy combined with prostaglandin F2α at KUD Tani Wilis Tulungagung Zahrorona, Amira Halimah; Sri Pantja Madyawati; Pudji Srianto; Hermin Ratnani; Sunaryo Hadi Warsito; Sri Hidanah
Ovozoa: Journal of Animal Reproduction Vol. 14 No. 1 (2025): Ovozoa: Journal of Animal Reproduction
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ovz.v14i1.2025.46-51

Abstract

Repeat breeding is a condition in which cows fail to conceive after being bred three or more times. This study aims to determine the quality of estrus, non-return rate (NRR) and conception rates obtained after cows were treated with 2% povidone iodine. The study involved 30 Holstein Friesian cows, each having calved three times and experiencing repeat breeding. Cows in estrus were treated with 10 mL of 2% povidone iodine intrauterinely, followed by an intramuscular injection of 2 mL (250 mg/head) of prostaglandin F2α (PGF2α, Luteosyl) five days later. Estrus quality was observed by examining changes in vulvar mucosa color, mucus discharge, and vulvar temperature. Pregnancy diagnosis was made at 60 days. Results showed that 43.3% of cows had estrus quality score 3 (cows showed dark red vulvar mucosa, transparent mucus, temperature 38.9 ± 0.5 ºC), 23.3% had score 2 (cows showed reddish vulvar mucosa, some cloudy mucus, temperature 38.7 ± 1.0 ºC), and 33.3% had score 1 (cows showed pink vulvar mucosa, cloudy mucus, temperature 38.6 ± 0.5 ºC). Of the 30 cows, 20 had a non-return rate (NRR) of 66.7%. Based on these results, it can be concluded that 2% povidone iodine has a positive effect on estrus quality, NRR, and conception rates in dairy cows experiencing repeat breeding.
Dystocia management in a Scottish Fold cat with caesarean section and ovariohysterectomy at Winadivet clinic Malang Intan Firdha Olien Noor Al Ichsan; Hendrawan, M. Vet., Drh. Viski Fitri; Gretania Residiwati; Galuh Chandra Agustina; Winda Syafitri
Ovozoa: Journal of Animal Reproduction Vol. 14 No. 1 (2025): Ovozoa: Journal of Animal Reproduction
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ovz.v14i1.2025.39-45

Abstract

The causes of dystocia can be categorized into maternal and fetal factors. Dystocia is most commonly observed in queens that are giving birth for the first time. This study aims to assess the diagnosis and management of maternal dystocia in Scottish Fold cats through caesarean section (C-section). A general examination, including palpation, revealed the presence of a fetus, followed by an ultrasound to determine the number of fetuses and their viability. A hematological examination was conducted prior to the surgical procedure to assess the presence of anemia in the patient. A C-section was performed on the ventral aspect of the abdomen, followed by ovariohysterectomy after the successful removal of two live fetuses. Postoperative care involved the administration of the antibiotic Colibact, the anti-inflammatory meloxicam, supportive therapy including Channa Lakta (lactation stimulant), Channafit (immunomodulator), and the multivitamin Pantex. The results indicated that the wound of the patient, Koko cat, had closed by the third postoperative day. It can be concluded that appropriate treatment and management contribute to a rapid recovery process.
Incidence and associated risk factors of uterine prolapse in dairy cows in Manoharganj Upazila, Cumilla District, Bangladesh Wasef, Al; Uday Kumar Mohanta; Sah, Vijay Kumar; Islam, Md. Rashedul; Khadka, Nita; Budhathoki, Nabina; Islam, Md. Shakil
Ovozoa: Journal of Animal Reproduction Vol. 14 No. 1 (2025): Ovozoa: Journal of Animal Reproduction
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ovz.v14i1.2025.25-33

Abstract

Uterine prolapse is a medical emergency in cows that can be life-threatening if not promptly treated. This study aimed to determine the incidence, associated risk factors, survival rate, conception rate, and management practices related to uterine prolapse in dairy cows in Manoharganj Upazila, Cumilla District, Bangladesh. Data collected from cow owners were analyzed using the Chi-square test. A total of 102 cases of uterine prolapse were manually corrected. The incidence was found to be higher in crossbred (61.76%) compared to local (38.24%) cows. Similarly, cows that were artificially inseminated showed a significantly higher incidence (93.14%) than those bred naturally (6.86%). Pluriparous cows had a greater incidence (77.45%) than primiparous cows (22.55%). Additionally, cows with a previous history of vaginal prolapse (48.04%) or dystocia (59.80%) were more likely to experience uterine prolapse than those without such histories. Following treatment, 91.18% of the affected cows survived, while 8.82% died. Among the survivors, 15.05% were culled, and the remaining cows were artificially inseminated of which 82.27% successfully conceived. The study also observed that 3.92% of cows were diagnosed with hypocalcemia shortly after prolapse correction. These findings highlight the importance of immediate veterinary intervention and the need for proper nutritional management during pregnancy to help prevent uterine prolapse.
Impact of different antibiotic treatments on pregnancy maintenance in Holstein Friesian cows infected with foot-and-mouth disease Vensko Zico Dandi Wahyu Pratama; Jola Rahmahani; Herry Agoes Hermadi; Nusdianto Triakoso; Kadek Rachmawati
Ovozoa: Journal of Animal Reproduction Vol. 14 No. 1 (2025): Ovozoa: Journal of Animal Reproduction
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ovz.v14i1.2025.34-38

Abstract

This study was conducted at Setia Kawan dairy cattle farming cooperative in Nongkojajar, Pasuruan, East Java to evaluate the effects of different antibiotic treatments on pregnancy sustainability in Holstein Friesian (HF) dairy cows infected with foot and mouth disease (FMD). The objective was to identify which antibiotics have minimal impact on pregnancy outcomes in FMD infected cows. A total of 106 pregnant HF cows infected with FMD were included in this study. Samples were selected using a purposive sampling method with inclusion criteria of pregnant HF dairy cows that tested positive for FMD. Four types of antibiotics were assessed, including enrofloxacin, oxytetracycline, amoxicillin, and penicillin-streptomycin. The results showed that among cows treated with enrofloxacin, 88.46% maintained pregnancy while 11.54% experienced abortion. For oxytetracycline, 73.08% of cows did not abort, whereas 26.92% did. In the amoxicillin group, 61.54% maintained pregnancy and 38.46% aborted. For penicillin-streptomycin, only limited data were available, with 23.07% maintaining pregnancy and no recorded cases of abortion. In conclusion, while variations were observed among different antibiotic treatments, statistical analysis indicated no significant association between antibiotic type and abortion rate in HF cows infected with FMD. Further studies with larger sample sizes are recommended to confirm these findings.
Factors associated with repeat breeding in Holstein Friesian cows at the Tani Wilis Village Cooperative Unit, Sendang District, Tulungagung Regency, Indonesia Dimas Kunto Satrio; M’ Izi Kumala Lazuardi Sultoni; Tasya Apritalia Putri; Soeharsono Soeharsono; Dadik Rahardjo; Djoko Legowo; Gandul Atik Yuliani; Iwan Sahrial Hamid; Mohammad Anam Al-Arif; Sunaryo Hadi Warsito; Pudji Srianto; Sri Pantja Madyawati; Tita Damayanti Lestari; Wurlina Wurlina
Ovozoa: Journal of Animal Reproduction Vol. 14 No. 2 (2025): Ovozoa: Journal of Animal Reproduction
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ovz.v14i2.2025.67-75

Abstract

This study aimed to evaluate the association of factors such as nutrition, thermal humidity index (THI), age, and lactation period with the occurrence of repeat breeding of dairy cows. The sample consisted of Holstein Friesian cows aged 1-11 years, with lactation periods ranging from 1 to 7 months, currently in lactation, and experiencing repeat breeding (inseminated three or more times without conception, despite exhibiting normal estrous cycles and intervals). The results showed that feeding practices by farmers did not significantly differ (p >0.05) in relation to the incidence of repeat breeding. THI values recorded in several barns also showed no significant differences (p >0.05), with the cows experiencing light to moderate heat stress. Similarly, the frequency of artificial insemination and the estrous cycle intervals remained within the normal range. The highest incidence of repeat breeding was observed in cows aged 2.5 to 5.5 years, accounting for 78.13%, and during lactation periods of 1-3 months, accounting for 81.26%. It can be concluded that there were no significant differences in the provision of forage and leguminous feed between normal cows and those with repeat breeding, and the crude protein content of forage did not influence its occurrence. Additionally, there was no indirect relationship between THI and repeat breeding. However, the incidence of repeat breeding tended to increase in cows aged 3-4 years, and during the second and third lactation periods.
Plasma and semen antioxidant responses of West African Dwarf goats to Parquetina nigrescens leaf extract administration Ndubuisi-Ogbonna, Lois Chidinma; Akintunde, Adeyinka Oye; Noibi, Oluwafikunayo Fareed; Oso, Oluwaseyi Emmanuel
Ovozoa: Journal of Animal Reproduction Vol. 14 No. 2 (2025): Ovozoa: Journal of Animal Reproduction
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ovz.v14i2.2025.52-66

Abstract

This study investigated the antioxidant responses in both plasma and semen of West African Dwarf (WAD) goats following the administration of Parquetina nigrescens leaf extract (PNLE). Twelve clinically healthy WAD bucks were randomly assigned into two groups, each receiving 0 mL (control), and 4 mL of PNLE, respectively, over a 21-day period. Blood and semen samples were collected at baseline and post-treatment to evaluate antioxidant markers including catalase, superoxide dismutase (SOD), malondialdehyde (MDA), total antioxidant capacity (TAC), lipid peroxidation (LP), and glutathione peroxidase (GPx). An antioxidant response was observed. In the control group (0 mL PNLE), significant negative correlations between baseline and post-treatment values—particularly B-Cat. vs. SOD (r= -0.973), B-Cat. vs. MDA (r= -0.990), and B-MDA vs. SOD (r= -0.999)—suggested impaired endogenous antioxidant regulation.  Conversely, administration of 4 mL PNLE significantly enhanced antioxidant status, with strong positive correlations among key indices, notably catalase vs. GPx (r= 0.960**) and TAC vs. SOD (r= 0.999**), reflecting improved systemic antioxidant synergy. Semen antioxidant profiles also showed better enzymatic coordination and reduced lipid peroxidation, indicating the extract’s potential to alleviate reproductive oxidative stress. Overall, Parquetina nigrescens (P. nigrescens) demonstrated marked antioxidative efficacy, supporting both systemic and reproductive redox balance in WAD goats. P. nigrescens leaf extract enhances seminal antioxidant status in WAD goats, thereby promoting reproductive and systemic health. This study recommends its inclusion as a phytogenic additive in goat production, especially in breeding programs prone to oxidative stress.
Management of dystocia complicated by fetal ascites in a Holstein Friesian cow Wasef, Al; Mohanta, Uday Kumar; Hossan, Md Farhad; Islam, Md. Rashedul; Hossain, Hafsa
Ovozoa: Journal of Animal Reproduction Vol. 14 No. 2 (2025): Ovozoa: Journal of Animal Reproduction
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ovz.v14i2.2025.107-111

Abstract

A five-and-a-half-year-old crossbred Holstein Friesian cow was presented with a history of prolonged second-stage labor. According to the owner, the first water bag had appeared approximately seven hours prior to reporting to the Upazila Veterinary Hospital in Manoharganj, Cumilla, Bangladesh. Upon on-farm examination, a per-vaginal assessment revealed that the fetus was in a posterior presentation, and the fetal abdomen was markedly distended with fluid, giving it a characteristic "pufferfish-like" appearance. Based on clinical findings, a diagnosis of dystocia due to fetal ascites was established. To relieve the obstruction, a guarded fetotomy knife was used to make an incision in the fetal abdominal wall, allowing evacuation of the excessive peritoneal fluid. Following decompression, the non-viable male fetus was successfully delivered via gentle manual traction. The cow was subsequently treated for five days with antibiotics, non-steroidal anti-inflammatory drugs (NSAIDs), and antihistamines. The post-operative recovery was uneventful, and the cow returned to normal physiological status without complications. This case highlights the clinical importance of timely diagnosis and appropriate intervention in managing dystocia associated with fetal ascites in dairy cattle.
Effects of age of Awassi ewes crossed with Hamdani rams on reproductive and wool characteristics Hussein, Dalaf Ali
Ovozoa: Journal of Animal Reproduction Vol. 14 No. 2 (2025): Ovozoa: Journal of Animal Reproduction
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ovz.v14i2.2025.92-97

Abstract

This study was conducted in Al-Taji District, north of Baghdad, Iraq, on a privately managed sheep farm specializing in animal breeding. The objective was to evaluate the impact of ewe age on wool characteristics and reproductive performance in hybrid sheep produced by crossing Awassi ewes (n= 70) with Hamdani rams (n= 17). Records from the sires (Hamdani rams, originally from Mosul) and dams (Awassi ewes from Baghdad) were used. Reproductive data were first analyzed, including litter size and sex ratio. The total number of lambs born was 90, comprising 50 males and 40 females, with respective percentages of 55.6% and 44.4%. The Chi-square (χ²) value was 4.50, indicating a significant difference at the p ≤0.05 level. The mean litter size was 1.30 lambs per ewe, which was not statistically significant. Wool characteristics were measured in a subset of 43 ewes, distributed across age groups ranging from 1.5 to 5 years, with 5 animals per group. Significant differences (p ≤0.05) were observed in raw fleece weight, with the highest average (2,234 g) recorded in 3.5-year-old ewes. Clean fleece weight also differed significantly (p ≤0.05), with the highest value (2,060 g) found in 2-year-old ewes. However, no significant differences were recorded for fiber length or fiber diameter.

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