http://jurnalpertanianumpar.com/index.php/jgt/issue/feed 2026-04-10T09:29:32+07:00 Iradhatullah Rahim iradhat76@gmail.com Open Journal Systems <p><a href="https://jurnalpertanianumpar.com/index.php/jgt/about">Journal Galung Tropika</a> (p-ISSN: 2302-4178, e-ISSN: 2407-6279) is a quarterly scientific publication (April, August, December) that focuses on the development of science and technology in the field of agriculture. Jurnal Galung Tropika is a forum for the publication of the latest research in the fields of agriculture, animal husbandry, fisheries, and plant biology. Jurnal Galung Tropika houses various scientific studies ranging from cultivation to natural resource management, with the aim of advancing the agricultural sector in a sustainable manner.</p> <p>This journal is published by the Faculty of Agriculture, Animal Husbandry, and Fisheries, Muhammadiyah University of Parepare. With a broad scope, ranging from plant cultivation, animal husbandry, fisheries, to agricultural biotechnology, Jurnal Galung Tropika is a reference for researchers, academics, and agricultural practitioners in Indonesia.</p> http://jurnalpertanianumpar.com/index.php/jgt/article/view/1513 2026-03-12T21:25:26+07:00 Mohamad Nurul mohamad.nurul10@gmail.com Abd. Rohman mohamad.nurul10@gmail.com Suherman suherman.umpar@ymail.com

<p><em>Embryo transfer (ET) is an advanced reproductive biotechnology widely promoted to accelerate genetic improvement and productivity of dairy cattle. However, the success of ET programs in tropical smallholder systems remains inconsistent due to the interaction of biological, environmental, and institutional factors. This study aimed to identify the determinants of ET success by integrating reproductive performance analysis with institutional implementation assessment in tropical dairy production systems. A mixed-methods approach was used, combining quantitative analysis of 200 recipient dairy cows with qualitative interviews involving farmers, technicians, and livestock officials in Pasuruan Regency, East Java, Indonesia. Binary logistic regression was employed to evaluate the influence of embryo characteristics, recipient conditions, environmental stress, disease history, and technician experience on pregnancy outcomes. The results showed that pregnancy rates ranged between 20 and 50%, with fresh embryos achieving higher success than frozen embryos. Logistic regression analysis indicated that technician experience significantly increased the probability of pregnancy (OR = 1.236; p &lt; 0.05), highlighting the critical role of technical capacity in ET implementation. Other factors, such as embryo quality, body condition score, parity, and heat stress, showed variable but statistically nonsignificant effects. Qualitative findings further revealed that limited technical human resources, inconsistent monitoring systems, and weak institutional coordination constrained program effectiveness. These findings demonstrate that ET success in tropical dairy systems is shaped not only by reproductive biology but also by institutional and managerial conditions. Strengthening technical capacity, improving reproductive management, and integrating ET programs into regional livestock innovation systems are essential to enhance the effectiveness and sustainability of reproductive biotechnology in developing dairy sectors.</em></p>

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