Effect of anti-prolactin drug and peppermint on broodiness, laying performance and egg quality in indigenous hens

Fahima Binte Aziz,Md Anowarul Haque,Md Bazlar Rashid,Md Mahmudul Hasan,Md Rakibul Islam,Mst Nasrin Banu

doi:10.3329/ajmbr.v2i4.30995

Abstract

The study was conducted to determine the effect of antiprolactin drug (Bromergon®) and Peppermint (Mentha piperita L.) on broodiness, laying performance and egg quality in indigenous hens. The effect of modulation of prolactin concentration on egg production, sequence length and inter sequence pauses were studied by analyzing the oviposition records. Total sixty indigenous laying hens (30-40 weeks of age), were assigned for treatment with peppermint solution and Bromergon®. Sixty laying hens were randomly divided into 4 groups (A, B, C and D) and each group remained 15 hens. Group A was kept for control, Group B was treated with bromocriptine (Bromergon® SANDOZ) orally @ 640 ?g per bird per day, Group C with 50% peppermint solution @ 10 g per bird orally and Group D was with peppermint and Bromergon® combined at previous dose. Over the course of trial, incremental dietary peppermint (Group C) significantly (p?0.05) increased egg production, body weight of treated indigenous hens than other groups. Egg shell percentage, thickness and haugh unit of hens fed diets supplemented with peppermint were greater than that of hens fed the control diet. However, peppermint supplementation did not influence other egg quality characteristics like albumen and yolk percentages and albumen height. The treated birds had comparatively longer sequences and fewer pauses. It is concluded that the physiological pauses occur during ovulatory sequences can be disrupted effectively using Bromergon® and peppermint. Prolactin levels modulated which may interfere with follicular recruitment and subsequent oviposition thereby improves egg laying potential of the indigenous hens.Asian J. Med. Biol. Res. December 2016, 2(4): 547-554

Highlights

Bangladesh possesses a large variety of chicken mostly of non-descript indigenous type
Group A: were kept as control Group B were treated with bromocriptine (Bromergon @ 2.5mg) @640 μg per bird per day for twelve weeks, Group C were treated with peppermint solution @ 20ml (50% sol.) /bird for twelve weeks, Group D were treated with antiprolactin @ 640 μg per bird per day and peppermint solution @ 20ml (50% sol.) /bird for twelve weeks
This study was conducted to determine the effects of Antiprolactin and Peppermint (Mentha piperita L.) on broodiness, laying performance and egg quality in indigenous hen

Summary

Methods

The experiment was conducted in santibag village, pirganj, Thakurgaon and conducted with total 60 laying hens of local breed was randomly collected by the method described by Nesheim et al (1979) All indigenous birds were collected from nearby village in pirganj, Thakurgaon and were examined to reduce broodiness to increase egg production. After seven days of acclimatization all the 60 were randomly divided into four equal groups (A, B C and D) for assessing the efficacy of antiprolactin and peppermint to reduce broodiness and increase egg production in indigenous hens. Egg production was recorded for each hen at the same time each day for a continuous in experimental (12 weeks) period.

Results

Discussion

Conclusion