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Determination of puberty based on morphometric measurements and the gonadosomatic index of lovebird (Agapornis fischeri) testes Nabila Chusnannada; Yeni Dhamayanti; Boedi Setiawan; Sunaryo Hadi Warsito; Tri Wahyu Suprayogi; Kuncoro Puguh Santoso
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.v15i1.2026.34-43

Abstract

This study aimed to determine the relationship between age and testicular morphometrics in lovebird (Agapornis fischeri), as well as the relationship between age and the gonadosomatic index (GSI) of the testes, and to evaluate the effect of body weight on testicular weight in determining the onset of puberty. This study used 30 lovebirds divided into three age groups: 4, 5, and 6 months, with ten birds in each group. The variables measured were testicular length, width, volume, weight and body weight. Data were analyzed using correlation analysis, simple linier regression, and paired sample t-test. The results showed a positive relationship between age and testicular length, width and volume. The GSI values of lovebirds aged 4, 5 and 6 months were 0.015 ± 0.002, 0.058 ± 0.011, and 0.400 ± 0.067, respectively, indicating an increase with age. The significance coefficient at 4 months of age was 0.000 (p <0.05), indicating that body weight had a significant influence on testicular weight at this age. In contrast, lovebirds aged 5 and 6 months had significance coefficients of 0.079 and 0.089 (p >0.05), indicating that testicular weight was not significantly influenced by body weight at these ages. It can be concluded that lovebirds at 6 months of age are likely to have reached puberty.
Co-Authors A. Shofy Mubarak AA Sudharmawan, AA Abdul Samik Achmad Imannaufan Adikara, Tatang Santanu Aditya Sukma Pawitra Agung Setia Batubara Agung Setia Batubara Agung Setia Batubara Aida Zharah Akhsan Panna Aldi Hamdani Alvaro, Aloisius Primo Anas Bad’rosana Prawindi Annise Proboningrat Ardina Sahra Miranda Arief Hidayat Zulkifli Arimbi Aswin, Ahmad Babucarr Jassey Bambang Poernomo Bangun Nur Wijaya Batubara, Agung Setia Bayram, Muhammet Boedi Setiawan BUDI UTOMO Çalışkan, Hakan Chozin, Aminullah Alhady Corie Indria Prasasti Delaiah, Diena Dellavia, Yolanda Deva Fitra Firdausa Anwar Diyantoro Diyantoro, Diyantoro Epy Muhammad Luqman Falah, Fathi Fathi Falah Febra Hamidah Putri Fiqih, Adam Fahmi Firdausy, Lintang Winantya Hana Eliyani Hanafi, Ulfiani Fauzia Hani Plumeriastuti Hani Plumeriastuti Hari Basuki Notobroto Helen Susilowati, Helen Hendarti, Gracia Angelina Hermin Ratnani Hernanda, Ary Setya Hesti Sukma Ayu Darmayanti Hidanah, Sri Ilham Zulfahmi Ilham Zulfahmi Irfannur Irfannur Irfannur Irfannur Irfannur Irfannur Jassey, Babucarr Kadek Rachmawati Kamilah Nurizza Khairunnisa, Hanifa Khansa Khuliyah Candraning Diyanah Kuncoro Puguh Santoso Kuncorojakti, Suryo Kusnoto Kusnoto, Kusnoto Kusuma Scorpia Lestari Kusuma Wardani, Ratnaningtyas Wahyu Lilis Sulistyorini Lukman, Epy Muhammad Mafatichul Firdaus Mafruchati, Maslichah Maulana, Firdausy Kurnia Megawati, Neneng Ismi Muchammad Alamudi Muchammad Yunus Muchammad Yunus Muhammad Farid Dimjati Lusno Muhammad Ikmal Robih Muliari Muliari Muliari Muliari Muliari Muliari Mustofa Helmi Effendi Nabila Chusnannada Naser, Mhd. Izzan Ningrum, Indah Puspita Novi Dian Arfiani Nunuk Dyah Retno Lastuti Nursadida, Milla Palupi, Tantri Dyah Widhi Plumeriastuti , Hani Poedji Hastutiek Prakoso, Febriyono Anggela Prastiya, Ragil Angga R Azizah Rahma Salsabila Ananda Firsy Ratna Dwi Puji Astuti Renaldi, Nogi Reny Dwi Desti Amalia Retno Adriyani Ririh Yudhastuti Ritonga, Mudhita Zikkrullah Rodprasert, Watchareewan Saleh, Tania Ardiani Salsabila Rabbani Khoirun Nisak Sari, Dian Ayu Kartika Setiawan Koesdarto Sinaga, Melina Martupauli Soeharsono Soeharsono Soeharsono Soeharsono Sofyan, Miayu Soneta Sri Hidanah Sri Mulyati Sri Pantja Madyawati Suciyono, Suciyono SUDARMAJI SUDARMAJI Suherni Susilowati Sunarso, Agus Suryadiningrat, Muhammad Tatik Hernawati Tri Wahyu Suprayogi Warsito, Sunaryo Hadi Wibawati, Prima Ayu Widiyatno, Thomas Valentinus Widjiati Widjiati, Widjiati Wijaya, Andi Yasmin Yudhana, Aditya Yulianna Puspitasari Yunita, Maya Nurwartanti Yunus , Muchammad Yusrizal Akmal Zahrudin, Elham Zida Husnina