Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 12.07
Milk (kg) -262.00 -0.014 3.67
Fat (kg) -10.00 -0.375 3.75
Prot (kg) -10.55 -0.441 4.66
Fertility Sub Index 7.03
Calving Interval (days) -4.27 -1.459 6.23
Survival (%) 0.72 1.117 0.80
Calving Sub Index 0.04
Gestation Length (days) -0.04 -0.919 0.04
Beef Sub Index 0.81
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index 21.09

* Based on an €80/tonne carbon price