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 2.63
Milk (kg) -3.00 -0.014 0.04
Fat (kg) -1.32 -0.375 0.49
Prot (kg) -4.74 -0.441 2.09
Fertility Sub Index -4.52
Calving Interval (days) 2.02 -1.459 -2.95
Survival (%) -1.41 1.117 -1.58
Calving Sub Index 0.59
Gestation Length (days) -0.64 -0.919 0.59
Beef Sub Index -0.17
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.82 -0.432 -1.65
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index -0.80

* Based on an €80/tonne carbon price