Rearing system, utility type and hens’ age as a factor modifying lysozyme's hydrolytic activity

Karolina Wengerska, Damian Spustek, Dominika Krakowiak, K. Drabik, J. Batkowska
{"title":"Rearing system, utility type and hens’ age as a factor modifying lysozyme's hydrolytic activity","authors":"Karolina Wengerska, Damian Spustek, Dominika Krakowiak, K. Drabik, J. Batkowska","doi":"10.5604/01.3001.0015.4318","DOIUrl":null,"url":null,"abstract":"The aim of study was to analyze the impact of the utility type, age and rearing system of hens on egg quality traits and the enzymatic activity of egg albumen lysozyme (LA). The material consisted of 120 eggs from two genotypes of hens: Hy-Line Brown and parent stock of Ross 308. Laying-type hens were reared divided into 2 systems: intensive (litter, balanced feed) and extensive (open runs, farm fodders). The second source of material was hens age (29, 33, 41, 53 and 70 wks) of the parent stock.. Stocks were differentiated in terms of the hens age (29, 33, 41, 53 and 70 wks). Eggs quality traits and LA were evaluated. \nThe LA of was higher in eggs from laying than from broiler breeder hens. It decreased with the hens’ age and increased with albumen mass, it was also positively correlated with albumen height and Haugh's units. The rearing system considerably modified mass of egg and albumen and the dense albumen height, but does not affect the LA.\n\n","PeriodicalId":53138,"journal":{"name":"Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego","volume":"109 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2021-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5604/01.3001.0015.4318","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0

Abstract

The aim of study was to analyze the impact of the utility type, age and rearing system of hens on egg quality traits and the enzymatic activity of egg albumen lysozyme (LA). The material consisted of 120 eggs from two genotypes of hens: Hy-Line Brown and parent stock of Ross 308. Laying-type hens were reared divided into 2 systems: intensive (litter, balanced feed) and extensive (open runs, farm fodders). The second source of material was hens age (29, 33, 41, 53 and 70 wks) of the parent stock.. Stocks were differentiated in terms of the hens age (29, 33, 41, 53 and 70 wks). Eggs quality traits and LA were evaluated. The LA of was higher in eggs from laying than from broiler breeder hens. It decreased with the hens’ age and increased with albumen mass, it was also positively correlated with albumen height and Haugh's units. The rearing system considerably modified mass of egg and albumen and the dense albumen height, but does not affect the LA.
饲养制度、用途类型和蛋鸡日龄是影响溶菌酶水解活性的因素
本试验旨在分析蛋鸡利用类型、日龄和饲养制度对蛋品质性状和蛋蛋白溶菌酶(LA)酶活性的影响。材料包括来自两种基因型母鸡的120个鸡蛋:海兰布朗母鸡和罗斯308亲本母鸡。蛋鸡饲养分为2个系统:集约化(产仔,均衡饲料)和粗放化(露天,农场饲料)。第二个材料来源是母鸡29、33、41、53和70周龄。按鸡龄(29、33、41、53和70周龄)进行分组。评价鸡蛋品质性状和LA。产蛋的LA高于种鸡的LA。随蛋鸡年龄的增长而降低,随蛋白质量的增加而增加,与蛋白高度和哈氏单位呈正相关。饲养制度对蛋品质量、蛋白质量和密蛋白高度有较大的影响,但对LA没有影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
求助全文
约1分钟内获得全文 求助全文
来源期刊
自引率
0.00%
发文量
1
审稿时长
12 weeks
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信