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THE SRY GENE VARIATIONS AMONGST SELECTED MADURA CATTLE POPULATIONS Prihatin, Koko Wisnu; Maylinda, Sucik; Hakim, Luqman
Jurnal Kedokteran Hewan Vol 12, No 4 (2018): December
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21157/j.ked.hewan.v12i4.9674

Abstract

The aim of this study was to determine the diversity of the sex-determining region Y (SRY) gene in Madura cattle bulls that had specifically selected for the production of frozen semen. DNA was isolated from the whole blood derived from 5 Madura cattle bulls and the SRY gene amplification carried out using polymerase chain reaction (PCR) with SRY-4 as a primer followed by DNA sequencing. Results revealed the proximity of the Madura cattle SRY genes to the Bos indicus SRY genes, furthermore this study also proved the existence of variation in Madura cattle SRY gene caused by mutation and deletion of nucleotides. It was concluded that the variations in Madura cattle SRY genes still persist even in the specifically selected populations with similar phenotype.
REPEATABILITY ESTIMATION OF SEMEN PRODUCTION AND QUALITY OF LOCALS MADURA CATTLE BREED (Bos indicus) Prihatin, Koko Wisnu; Hakim, Luqman; Maylinda, Sucik
Jurnal Kedokteran Hewan Vol 11, No 2 (2017): June
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21157/j.ked.hewan.v11i2.5942

Abstract

The objective of this study was to evaluate the effect of genetic and environmental factor on locals Madura cattle semen production and quality. A total of 2275 semen collections records from 11 bulls from 2012 to 2014 were analyzed to evaluate the genetic potency of semen productions. Genetic evaluation consists of repeatability estimation of semen volume, sperm concentration and sperm individual motility. Data were analyzed by HGLM (REML) with environmental factors of age, seasons, interval of semen collections, and frequency of ejaculations as fixed effect and bulls as random effect using GENSTAT 16th edition. Result showed that age and ejaculation frequency affect to all variables; interval of semen collections affected to both semen volume and sperm concentrations; while seasons only affected to sperm concentrations. Repeatability estimation of semen volume, sperm concentration and sperm individual motility were 0.376, 0.445 and 0.567 respectively. It was concluded that the quality of Madura bulls ejaculate less affected by environmental factors.
Milk Production, Lactation Curve and Persistency of Friesian Holstein Cows in Smallholder Dairy Farms Ridhowi, Aswah; Djoharjani, Trianti; Maylinda, Sucik
TERNAK TROPIKA Journal of Tropical Animal Production Vol. 27 No. 1 (2026): TERNAK TROPIKA Journal of Tropical Animal Production
Publisher : Jurusan Produksi Ternak, Fakultas Peternakan, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtapro.2026.027.01.10

Abstract

This study aimed to evaluate milk production, lactation curve characteristics, and lactation persistency of Friesian Holstein cows reared under tropical smallholder dairy farming conditions. Milk production data were collected from 164 lactating cows across five lactation periods during a 305-day lactation. Cows were milked twice daily, and weekly average milk yields were used to describe lactation curves and persistency patterns. The results showed that milk production increased progressively from the first to the third lactation and declined during the fourth and fifth lactations. The highest total milk production was observed in the third lactation (5539.6 L), while the first lactation showed the lowest yield (3649.1 L). All lactation groups exhibited a typical lactation curve pattern, characterized by rapid milk yield increase after calving, peak production during weeks 4 – 7, and gradual decline thereafter. Lactation persistency was better in first- and second-lactation cows less than 8%, with lower monthly production declines compared to older cows. Milk production decline accelerated 9.25% after five months of gestation, indicating reduced persistency during late pregnancy. Incorporating lactation period and gestation stage into nutritional and reproductive management programs may help optimize milk production and lactation persistency. Such strategies can contribute to improved productivity and economic efficiency in tropical smallholder dairy farms.
Workshop on Producing Healthy Meatballs at the PKK Griya Shanta Malang City Amertaningtyas, Dedes; Nursita, Ita Wahju; Minarti, Sri; Evanuarini, Herly; Maylinda, Sucik; Widati, Aris Sri; Puspita, Poppy Satya; Pangesti, Indha Fitria
Journal of Innovation and Applied Technology Vol 12, No 1 (2026)
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jiat.2025.012.01.13

Abstract

This community service activity aimed to improve the knowledge and skills of PKK women members in Malang City regarding the production of healthy, fiber-rich meatballs. The program introduced the use of Eucheuma cottoni as a tapioca substitute and Auricularia nigricans as a functional fiber source to enhance meatball texture and nutritional value. Educational sessions covered ingredients, formulation, processing methods, packaging, and storage techniques. Participants were also introduced to various meatball formulations, including chicken-beef mixtures and 100% beef meatballs. Conducted on May 24, 2025, with 20 participants, the activity resulted in a 10–53% increase in participants’ knowledge based on pre- and post-activity questionnaire analysis