Growth, survival and egg production performance profitability of exotic chicken breeds were evaluated under small-scale producers in urban peri-urban areas Bahir Dar City from 2018 to 2019. Data collected using semi-structured questionnaires, monitoring field observation. Thirty-three enterprises (30 three areas) included this study. All questionnaire data analyzed SPSS Version 20. The was with...

The objective of a 2 × 2 factorial study with laying hens was to evaluate the effect of dietary energy and DL-methionine (Met) supplementation in a high protein but sulphur amino acid deficient organic diet for laying hens on egg production, egg quality, and N retention and N excretion in manure. The model trial was conducted with 72 Bovans Brown hens from 24 to 53 weeks of age, allocated to 4 ...

Hemp seed and hemp products such as cake (HSC) have been shown to increase unsaturated fatty acid (FA) profile in eggs, including linoleic acid, α-linolenic acids known egg weight better human health respectively. However, the use of animal feed is still a concern due potential residues Δ-9 tetrahydrocannabinol (THC), psychoactive substance present plant. No significant published re...

Ammonia (NH3) emissions from laying hens are affected by nutrient content of the diet, manure quantity, and manure properties such as moisture content, nitrogen content, and pH. These production traits may vary with strain of the hen. However, limited information is available concerning the effects of laying-hen genetics on manure properties and NH3 emission. This study was conducted to compara...