Abstract

The quality sound of singing birds strongly depends on testosterone. Unfortunately, most of the testosterone will be converted to estradiol by the aromatase enzyme. The study aimed to examine the potential of natural aromatase blockers for increasing the frequency and quality of canary chirps. Five adult male canaries, with bodyweight 25-30 g were used in the study. After being adapted for a week, birds were fed a mixture of aromatase blockers and canary seed for 20 days at a dose of 0.3 mg /30 g body weight. Quantities of a song using Hagemon touch methods were calculated by frequency of chirping for 10 minutes, whereas the quality of the song was counted by the periods of once chirping for 10 minutes. Recording begins when the bird is given standard feeding and repeated after treatment for 20 days. The results showed that the frequency of chirping before given a mixture of ingredients was 15.3 /10 min, after being treated with aromatase blockers the frequency increased up to 78.9 /10 min. The length of the tweet before treatment was <1s while after treatment up to 17s. It can be concluded that aromatase blockers can increase the frequency and quality of male Canary's song.

Highlights

  • In order to enhance the quality and quantity of singing birds' voices, testosterone hormone was injected directly

  • The fans of singing birds in Indonesia are increasing every day

  • The sound quantity test is based on the number of votes every 10 minutes, while the sound quality is done by looking at the length of the chirp

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Summary

Introduction

In order to enhance the quality and quantity of singing birds' voices, testosterone hormone was injected directly. Solutions to increase the quality and quantity of the singing birds' voices without giving dangerous side effects were needed. It is known that the voice of singing birds was controlled by testosterone. Astuti et al [1], has reported that in rats, giving the natural aromatase blocker will increase the testosterone level in the blood, relieve the expression of Cyp19 aromatase both in the brain or Leydig cell.

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