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A methodological approach to measuring comparative energy and economic efficiency of alternative forage feeding systems for dairy cattle in Ontario.

机译：一种测量安大略省奶牛替代饲草饲喂系统的比较能源和经济效率的方法学方法。

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作者
Tabi, James.;
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作者单位

University of Guelph (Canada).;

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授予单位 University of Guelph (Canada).;
学科 Education General.
学位 M.Sc.
年度 1982
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总页数
原文格式 PDF
正文语种 eng
中图分类
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入库时间 2022-08-17 11:51:33

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2. Differences in energy balance and energy efficiency between an old endangered and a modern Norwegian dairy cattle breed in a traditional indoor feeding system [J] . Saether N., Havrevoll O., Thuen E., Acta Agriculturae Scandinavica. Section A, Animal Science . 2010,第1期

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3. Differences in energy balance and energy efficiency between an old endangered and a modern Norwegian dairy cattle breed in a traditional indoor feeding system [J] . N. SÃ¦therab* Ã. Havrevollc E. Thuena O. Vangena Acta Agriculturae Scandinavica, Section A - Animal Science . 2010,第1期

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4. Influence of different participation of forages from grasslands in feeding ratio on effectiveness of dairy cattle feeding [C] . Wasilewski Z., Barszczewski J, Wrobel B. General Meeting of the European Grassland Federation . 2008

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5. Predicting Feed Efficiency in Beef Cattle: A Comparison of Direct Measures, Expected Progeny Differences, and Single Nucleotide Polymorphism Methodologies [D] . Rasmussen, Samantha M. 2020

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6. Cow–calf performance forage utilization and economics of warm-season annual baleage in beef cattle winter feeding systems [O] . Mekenzie H Panhans, Katie M Mason, Mary K Mullenix, 2020

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7. An alternative approach to modeling genetic merit of feed efficiency in dairy cattle [O] . Y. Lu, M.J. Vandehaar, D.M. Spurlock, 2015

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A methodological approach to measuring comparative energy and economic efficiency of alternative forage feeding systems for dairy cattle in Ontario.

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