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 4.09
Milk (kg) -31.00 -0.014 0.43
Fat (kg) -5.66 -0.375 2.12
Prot (kg) -3.47 -0.441 1.53
Fertility Sub Index -8.99
Calving Interval (days) 4.12 -1.459 -6.01
Survival (%) -2.67 1.117 -2.98
Calving Sub Index 1.04
Gestation Length (days) -1.13 -0.919 1.04
Beef Sub Index -0.68
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 4.62 -0.432 -1.99
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index -3.72

* Based on an €80/tonne carbon price