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학제간연구 과학기술학 뇌인지과학 기술정책 기타 복합학

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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국축산학회(구 한국동물자원과학회) 한국축산학회지 한국축산학회지 제54권 제3호
발행연도
2012.1
수록면
209 - 217 (9page)

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The objective of this study was to assess the external and internal quality traits of eggs in wholesale egg market in Colombo, Sri Lanka and the effect of storage period in egg quality traits in the same market after receiving the eggs. First, a total of 482 fresh eggs were randomly collected from the above market and external egg quality traits were determined and recorded according to the definitions given in the Specification for Chicken Egg SLS 959:1992. After that, a total of 288 fresh eggs were randomly collected and various external and internal egg quality traits were measured and recorded according to the standard procedures over a storage period of 1, 3 and 5d after receiving the fresh eggs to the wholesale market. Information about the shops was also collected using a pretested questionnaire. Using the recorded data, shape index, Haugh unit, albumen index and yolk index were calculated for each egg. Average weight, width, length and shape index of the eggs in the sample was 59.96g, 4.33cm, 5.78 cm and 75.03, respectively. Average shape index value was much closer to the standard value of 74. From the total sample 80.5% eggs had a normal and sound shape. However only 60.37% of the eggs are in the desirable quality range specified in SLS 959:1992, when the overall shell quality of the sample is considered based on shell cleanliness, defects and shape. The results of the current study indicated that eggs had significant(p<0.05) deterioration of all internal quality parameters tested with increasing storage time. However the effect was not significant(p>0.05) between the storage periods of 3 and 5 d after receiving eggs except for yolk color and yolk height. Desirable category of eggs had reduced and rejections had increased with the storage period. Main problems associated with the particular market were less space availability, higher percentages of dirty eggs, unavailability of proper packaging materials, no standard packaging system for eggs, and not implementing a standard grading system for eggs. Therefore the results of this study suggest that proper egg handling and storage conditions such as low temperature storage may be implemented to increase the proportion of desirable quality eggs in the above market.
#Egg quality #Wholesale market #Storage period #Sri Lanka #Haugh unit #Yolk index

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참고문헌 (27)

참고문헌 신청
Akyurek, H. / 2009 / Effect of storage time, temperature and hen age on egg quality in free-range layer hens / J. Anim. Vet. Adv 8 : 1953 ~ 1958 google schola Best, P. / 2011 / Watt executive guide 2011: The statistical reference for poultry executives / Watt poultry : 30 ~ 35 google schola Chatterjee, R. N. / 2006 / Genetic studies on egg quality traits in different White Leghorn populations / Indian J. Anim. Genet. Breeding 27 : 51 ~ 54 google schola Clark, E. / / Major changes in global egg production google schola Das, S. K. / 2006 / Poultry Production. 1st ed / CBS Publishers & Distributors : 190 ~ 202 google schola

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