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All Journal Ovozoa: Journal of Animal Reproduction Scientific Journal of Engineering Research
Md. Rashedul Islam
Dhaka University of Engineering & Technology (DUET)
Agriculture, Biological Sciences & Forestry Engineering Veterinary

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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.
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.
Morphological assessment and characterization of uterine caruncles in Bengal goats Hossain, Hafsa; Islam, Md. Rashedul; Maksuda Taslima; Mozahidul Islam Tuser; Nurjahan Akter Juli; Al Wasef; Mahfuzul Islam; Jahagir Alam
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.v14i2.2025.76-84

Abstract

This study aimed to evaluate and characterize the gross, histologic and ultrasonographic features of uterine caruncles in Bengal goats, an indigenous breed in Bangladesh.  A total of 40 uteri were collected from sexually mature, pregnant and non-pregnant does obtained from local slaughter houses, preserved and processed in for gross morphological and histological characterization of uterine caruncles. Additionally, transabdominal ultrasonographic characterization of uterine caruncles were performed on randomly selected does at a commercial goat farm. Gross examination revealed multiple dome-shaped caruncles distributed along the endometrial surface, primarily arranged in four longitudinal rows. In both cyclic and non-cyclic goats, the average number of uterine caruncles was higher in the left uterine horn (55.85) compared to the right (54.42), with a consistent average of 4.30 rows observed in both horns. Histological examination of the caruncles revealed dense connective tissue, numerous blood vessels, and abundant uterine glands. The surface epithelium ranged from simple cuboidal to columnar. Morphometric analysis showed that the large caruncles were located in the mid-uterine horns.  Transabdominal ultrasonography identified pregnancy in 7 of 20 does (35%) and visualized uterine cotyledons between days 32 and 40 of gestation. Measurement of cotyledons via ultrasound may serve as a reliable indicator of gestational age. These findings provide baseline data that may support reproductive research, enhance breeding management, and contribute to the assessment of reproductive performance and productivity of goats in Bangladesh.
Enhancing the Mechanical Properties of Concrete Using Natural Fiber Reinforcement: A Comparative Study of Bamboo, Banana, and Jute Fibers Rabbani, Md. Liton; Islam, Md. Rashedul; Pulok, Md. Shahoriar; Hasan, Rakibul; Mamun, Md. Shaheen Al; Roy, Dhruboraj; Shiuly, Rafaun Sultana; Hasan, Md. Atiqul
Scientific Journal of Engineering Research Vol. 2 No. 3 (2026): September (in Process)
Publisher : PT. Teknologi Futuristik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64539/sjer.v2i3.2026.458

Abstract

With the construction industry seeking to mitigate its carbon footprint, utilizing agricultural by-products as reinforcement offers a promising pathway toward eco-friendly infrastructure. While previous studies have explored synthetic fibers, there remains a critical research gap in the comparative performance and statistical consistency of diverse natural fibers like banana, jute, and bamboo within a concrete matrix. This study investigates the mechanical properties of concrete mixes incorporating these fibers at varying volume fractions (0.5%–2.0%). The evaluation focuses on compressive, split tensile, and flexural strengths at 7-day and 28-day curing intervals. Key findings reveal that banana fiber at 0.5% achieved the highest absolute compressive and flexural strengths of 37.32 MPa and 6.12 MPa, respectively, after 28 days. However, performance for banana and jute fibers generally declined at higher dosages due to increased porosity. Conversely, bamboo fiber demonstrated superior reliability and consistency, reaching a peak split tensile strength of 5.02 MPa at 2.0% loading and maintaining steady growth across all proportions. This suggests that while banana fiber provides maximum load-bearing capacity at low volumes, bamboo fiber is preferable for applications requiring predictable mechanical scaling. These results provide foundational data for the implementation of natural fiber-reinforced concrete in sustainable structural applications, highlighting a viable strategy for reducing reliance on carbon-intensive materials while enhancing the energy absorption and ductility of cementitious composites.
Comparative serum biochemical and inflammatory profiles between repeat breeder and normal cyclic Holstein Friesian crossbred cows in Bangladesh Hasan, Md. Mehedi; Islam, Md. Rashedul; Hafsa Hossain; Maksuda Taslima; Hamid, Sm. Ahasanul; Tuser, Mozahidul Islam; Juli, Nurjahan Akter; Al Wasef; Mahfuzul Islam; Jahan, Mst. Sharifa
Ovozoa: Journal of Animal Reproduction Vol. 15 No. 1 (2026): Ovozoa: Journal of Animal Reproduction
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ovz.v15i1.2026.17-24

Abstract

Repeat breeding syndrome (RBS) has adverse effects on dairy profitability in Bangladesh. This study compared serum biochemical profiles between RBS-affected and normal cyclic Holstein Friesian crossbred cows to identify potential metabolic biomarkers. A total of thirty-two lactating cows (3-8 years old, body condition score 2.5-4.0/5) were categorized into repeat breeders (RB, n= 16; ≥3 failed artificial inseminations with normal estrus) and normal cyclic controls (NC, n= 16; matched for age, parity, and postpartum status). Serum samples were analyzed for minerals (Ca, P, Mg), proteins (total protein, albumin, blood urea nitrogen [BUN], C-reactive protein [CRP]), and metabolites (glucose, cholesterol, bilirubin) using commercial diagnostic kits (Span Diagnostics). Repeat breeder cows required significantly more services per conception (4.2 ± 2.1 vs. 0.6 ± 0.7; p <0.001) and exhibited hypoglycemia (74.5 ± 8.4 vs 94.0 ± 4.3 mg/dL; p= 0.002), lower bilirubin levels (<1 mg/dL; 0.0 ± 0.0 vs 0.09 ± 0.03 mg/dL; p= 0.002) indicating enhanced hepatic clearance, elevated BUN (23.8 ± 3.6 vs 20.9 ± 1.9 mg/dL; p <0.05), and increased CRP concentrations (2.0 ± 0.7 vs 1.7 ± 0.4 mg/dL; p= 0.042). These biochemical alterations indicate a negative energy balance and subclinical inflammation, which are likely important etiological factors contributing to RBS in tropical dairy cows. The findings suggest that metabolic correction strategies may improve fertility, although further validation is required.
Co-Authors Al Wasef Budhathoki, Nabina Hafsa Hossain Hamid, Sm. Ahasanul Hasan, Md. Atiqul Hasan, Rakibul Hossain, Hafsa Hossan, Md Farhad Islam, Md. Shakil Jahagir Alam Jahan, Mst. Sharifa Juli, Nurjahan Akter Khadka, Nita Mahfuzul Islam Maksuda Taslima Mamun, Md. Shaheen Al Md. Mehedi Hasan Mohanta, Uday Kumar Mozahidul Islam Tuser Nurjahan Akter Juli Pulok, Md. Shahoriar Rabbani, Md. Liton Roy, Dhruboraj Sah, Vijay Kumar Shiuly, Rafaun Sultana Tuser, Mozahidul Islam Uday Kumar Mohanta Wasef, Al