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 -10.62
Milk (kg) 37.00 -0.014 -0.52
Fat (kg) 15.52 -0.375 -5.81
Prot (kg) 9.72 -0.441 -4.29
Fertility Sub Index -2.35
Calving Interval (days) 1.07 -1.459 -1.56
Survival (%) -0.71 1.117 -0.79
Calving Sub Index 2.02
Gestation Length (days) -2.20 -0.919 2.02
Beef Sub Index -0.43
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 3.20 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index -1.04
Live WT (kg) 3.40 -0.307 -1.04
Total Carbon Sub Index -12.43

* Based on an €80/tonne carbon price