检索结果-南通市图书馆

Effect of Age and Breeds of Cattle on Carcass and Meat Characteristics of Arsi, Boran, and Harar Cattle in Ethiopia

Open Journal of Animal Sciences 2019年第3期9卷 367-383页

作者： Timketa Dagne Tefera Yesihak Yusuf Mummed Mohammed Yusuf Kurtu mengistu urge letta Travis G. O’Quine Jessie L. Vipham Department of Animal Science College of Agriculture Oda Bultum University Chiro Ethiopia School of Animal and Range Sciences College of Agriculture and Environmental Sciences Haramaya University Dire Dawa Ethiopia Department of Animal Sciences and Industry Kansas State University Manhattan USA

The objective of this study was to determine the effect of age and breed of cattle on carcass and meat characteristics in Ethiopia. A total of 39 (Arsi 11, Boran 14 and Harar 14) cattle breeds with age categories of <3, 4 - 6, and 7 - 9 years were used for the study. The bulls were purchased from their respective production system of mixed crop livestock system (Arsi and Harar) and Ranch (Boran). Parameters such as live and carcass weight, meat yield percent, fat characteristics, and primal beef cuts were evaluated. Complete randomized design was used for the study. The live weight of bulls at <3, 4 - 6 and 7 - 9 years ranged 135 - 183, 167 - 181, and 155 - 433 kg, respectively. The carcass weight, dressing percentage, meat yield percent, forequarter, hindquarter, rib eye area, and fat thickness ranged 57 - 209.73 kg, 41.8% - 51.6%, 32% - 58%, 11.7 - 56.42 kg, 14.04 - 45.34 kg, 4.78 - 10.25 square inches and 0.18 - 0.38 inches, respectively. At an early age category (<3 years) meat yield percentage of Arsi, Boran and Harar breeds were 50.86, 30 and 18.72, respectively, and as age category shifted from one age category to the next Harar increased by 13× and Boran by 2.9× and Arsi decreased by -0.93×. The mean rib percentage of Arsi, Boran and Harar were in the range of 7.98 - 9.57, 8.62 - 10.44 and 7.08 - 8.83, respectively. Breed and age of bulls had significantly affected primal meat cuts. Meat yield was predicted from live and hot carcass weight with coefficient determination (R2) of 70.66% and 74.75%, respectively. From the study, it was concluded that age and breeds of cattle had significantly influence on carcass and meat characteristics. Therefore, to determine whether variations were due to genetic or environmental cause’s evaluation of the three breeds under similar feeding condition was recommended.

关键词： Breed Age Carcass Meat Yield Percent Fat Characteristics

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Genome-wide association mapping for grain shape and color traits in Ethiopian durum wheat(Triticum turgidum ***)

引用

The Crop Journal 2020年第5期8卷 757-768页

作者： Admas Alemu Tileye Feyissa Roberto Tuberosa Marco Maccaferri Giuseppe Sciara Tesfaye letta Bekele Abeyo Department of Microbial Cellular and Molecular BiologyAddis Ababa UniversityP.O.Box 1176Addis AbabaEthiopia Department of Biology Debre Tabor UniversityEthiopia Department of Agricultural and Food Sciences University of BolognaViale G Fanin44-40127 BolognaItaly Oromia Agricultural Research Institute Addis AbabaEthiopia International Maize and Wheat Improvement Center(CIMMYT) Addis AbabaEthiopia

Grain shape and color strongly influence yield and quality of *** QTL for these traits is essential for transferring favorable alleles based on selection strategies and breeding *** the present study,192 Ethiopian durum wheat accessions comprising 167 landraces and 25 cultivars were genotyped with a high-density Illumina iSelect 90K singlenucleotide polymorphism(SNP)wheat array to conduct a genome-wide association analysis for grain width(GW),grain length(GL),CIE(Commission Internationale l'Eclairage)L*(brightness),CIE a*(redness),and CIE b*(yellowness)*** accessions were planted at Sinana Agricultural Research Center,Ethiopia in the 2015/2016 cropping season in a complete randomized block design with three *** homogeneous and healthy seeds per replicate were used for trait *** image analysis of seeds with GrainScan software package was used to generate the phenotypic *** of variance revealed highly significant differences between accessions for all *** of 46 quantitative trait loci(QTL)were identified for all traits across all *** novelmajor candidate QTL(−lg P≥4)with pleiotropic effects for grain CIE L*(brightness)and CIE a*(redness)was identified on the long armof chromosome *** nominal QTL(−lg P≥3)and 26 suggestive QTL(−lg P≥2.5)were *** QTL influencing both grain shape and color were identified.

关键词： planted breeding cultivar

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：