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 1.67
Milk (kg) -36.00 -0.014 0.50
Fat (kg) 0.08 -0.375 -0.03
Prot (kg) -2.70 -0.441 1.19
Fertility Sub Index -7.47
Calving Interval (days) 4.08 -1.459 -5.95
Survival (%) -1.36 1.117 -1.52
Calving Sub Index 1.65
Gestation Length (days) -1.79 -0.919 1.65
Beef Sub Index -0.27
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 3.55 -0.432 -1.53
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index -3.36

* Based on an €80/tonne carbon price