Effects of Replacing Maize with Boiled Mango (Mangifera indica) Seed Kernel on Feed Intake, Body Weight Gain and Feed Conversion Ratio of Cobb 500 Broiler Chicken

Selassie Admasu,Zewdu Wondifraw,Melese Gash

doi:10.35248/2375-446x.20.8.211

Abstract

This study was conducted to evaluate effects of replacing maize with Boiled Mango Seed Kernel (BMSK) on feed intake, body weight gain and feed conversion ratio of Cobb 500 broiler chicken. A total of 180 unsexed day-old broiler chicks (Cobb 500) were randomly distributed to four dietary treatment groups in a completely randomized design. Each treatment was replicated thrice with 15 birds per replicate. The experimental diets were formulated to contain 0% BMSK+100% maize (T1), 40% BMSK+60% maize (T2), 60% BMSK+40% maize (T3) and 80% BMSK +20% maize (T4) for 48 experimental days. Feed intake, body weight change, Feed Conversion Ratio (FCR) and mortality data were recorded. Feed offered and refused was determined daily, while body weight data was collected on weekly bases. The overall mean of daily Dry Matter Intake (DMI) were 73.8, 74.4, 64.1 and 60.9 g for T1, T2, T3 and T4, respectively. The DMI was the highest (P<0.001) in T1 and T2 as compared to T3 and T4 in the entire experimental period. The overall mean of daily body weight gain was 33.9, 34.7, 27.9, and 24.6 g for T1, T2, T3 and T4, respectively. Birds fed T1 and T2 diets were the highest (P<0.05) in body weight gain, but T4 had the lowest body weight gain performance. The overall mean of FCR were 2.18, 2.15, 2.29 and 2.48 for T1, T2, T3 and T4, respectively in the entire experimental period. The economic efficiency of treatment diets was 2.42, 2.76, 2.65 and 2.54 for T1, T2, T3 and T4, respectively. In conclusion, BMSK can be used as energy source for replacing maize up to 40% as confirmed and indicated in T2 both in starter and finisher broiler diets without adverse effects on broilers performance.

Highlights

The livestock sector plays a significant economic role in most developing countries and is essential for the food security of the rapidly growing population
The result of laboratory analysis showed that the dry matter (DM), crude protein (CP) and metabolizable energy (ME) contents of boiled mango seed kernel (BMSK) were comparable to that of maize
Ether extract (EE) and ash contents of Boiled Mango Seed Kernel (BMSK) obtained in the study were higher than maize

Summary

Introduction

The livestock sector plays a significant economic role in most developing countries and is essential for the food security of the rapidly growing population. Poultry as one segment of livestock production plays an important economic, nutritional, and sociocultural role in the livelihood of rural households in many developing countries. There are several challenges limiting the profitability of poultry production systems in Ethiopia. According to Dessie et al [1] poultry feed is one of the most critical constraints to poultry production under both small holder and large-scale systems in Ethiopia. The shortage and too expensive cost of commercial energy sources like maize and sorghum for poultry rations have been the main causes of the high cost of poultry products especially in developing countries. Corn accounts for about 55% of the feed [4]

Methods

Results

Conclusion