Effects of Diet with Laminaria religiosa on Egg Quality
다시마가 계란의 품질에 미치는 영향을 조사하기 위해 다시마 분말을 일반사료에 10, 20% 첨가한 혼합 사료를 제조한 후 산란계에 10주간 식이하면서 생산한 계란의 색깔, 무기질 조성, 난각의 강도, 총 콜레스테롤 함량 및 아미노산 조성을 분석한 결과는 다음과 같다. 다시마 함량을 증가시킴에 따라서, 난백 및 난황의 색깔은 검붉은 색으로 변화하는 경향이나 시험구간의 유의차는 거의 없었다. 무기질 중, 칼슘, 철, 칼륨, 마그네슘의 함량은 증가하고
The effect of diet with Laminaria religiosa on egg quality were investigated. Isa Brown chicken (28 weeks old) were raised for 10 week. The addition level of Laminaria religiosa to each treatment was 0, 10 and 20%, respectively. No difference in egg yolk and white color was found among treatment. The contents of Ca, Fe, K and Mg were increased but of P decreased with the feeding of Laminaria religiosa. Total mineral content were increased from 860.9 mg% to 936.8 mg%. Tensile strength of egg shell was improved from to . Total cholesterol content were reduced from 1,760 mg% to 1,113 mg%. Among the analyzed amino acids, the content of each amino acid was reduced except histidine increased from 2,024.0 mg% to 2,119.6 mg%. Essential amino acids in the total amino acids, 42.1% to 42.6%, were hardly changed among treatments.