[Objectives]To make targeted breeding of new type of Shuxuan beef cattle,study and determine the breeding target traits of new type of Shuxuan beef cattle.[Methods]The difference method was used to calculate the margi...[Objectives]To make targeted breeding of new type of Shuxuan beef cattle,study and determine the breeding target traits of new type of Shuxuan beef cattle.[Methods]The difference method was used to calculate the marginal benefit of each target trait,and the economic weight of the corresponding breeding target trait was obtained.[Results]The marginal benefits of weaning weight,fattening daily gain,18-month weight,carcass quality,dressing percentage,pure meat percentage,age at first calving,calving interval and stay group time were 35.86,13.76,13.05,421.96,375.55,22.58,-4.45,-27.53,and 1555.24,respectively.The relative economic weight ratio of growth traits,carcass traits,and reproductive traits was close to 4∶1∶5.Through marginal benefit analysis,the economic benefits obtained by improving carcass quality,dressing percentage and stay group time were significantly higher than other traits.[Conclusions]It is expected to provide a theoretic basis for establishing the target trait selection indicators for the new type of Shuxuan beef cattle.展开更多
This paper analyzes the actual situation and bottleneck problems in the development of beef cattle industry in Xuanhan County.In view of the existing problems,this paper puts forward reasonable suggestions,with a view...This paper analyzes the actual situation and bottleneck problems in the development of beef cattle industry in Xuanhan County.In view of the existing problems,this paper puts forward reasonable suggestions,with a view to better exploring the development model of characteristic beef cattle industry in Xuanhan County based on the unique cattle resources of Xuanhan County,and effectively promoting the implementation of the strategy of rural revitalization.展开更多
基金Key Technology R&D Program of Sichuan Province(2019YFD0123)Key R&D Project of Sichuan Science and Technology Plan(2021YFYZ0001)Sichuan Beef Cattle Innovation Team of Modern Agricultural Industrial Technology System(SCCXTD-2021-13).
文摘[Objectives]To make targeted breeding of new type of Shuxuan beef cattle,study and determine the breeding target traits of new type of Shuxuan beef cattle.[Methods]The difference method was used to calculate the marginal benefit of each target trait,and the economic weight of the corresponding breeding target trait was obtained.[Results]The marginal benefits of weaning weight,fattening daily gain,18-month weight,carcass quality,dressing percentage,pure meat percentage,age at first calving,calving interval and stay group time were 35.86,13.76,13.05,421.96,375.55,22.58,-4.45,-27.53,and 1555.24,respectively.The relative economic weight ratio of growth traits,carcass traits,and reproductive traits was close to 4∶1∶5.Through marginal benefit analysis,the economic benefits obtained by improving carcass quality,dressing percentage and stay group time were significantly higher than other traits.[Conclusions]It is expected to provide a theoretic basis for establishing the target trait selection indicators for the new type of Shuxuan beef cattle.
基金National Key R&D Program(2018YFD0501705)Key R&D Project of Sichuan Science and Technology Program(18ZDYF3215)Sichuan Beef Cattle Innovation Team of Modern Agricultural Industrial Technology System(sccxtd-2020-13).
文摘This paper analyzes the actual situation and bottleneck problems in the development of beef cattle industry in Xuanhan County.In view of the existing problems,this paper puts forward reasonable suggestions,with a view to better exploring the development model of characteristic beef cattle industry in Xuanhan County based on the unique cattle resources of Xuanhan County,and effectively promoting the implementation of the strategy of rural revitalization.
