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 6.91
Milk (kg) -257.00 -0.014 3.60
Fat (kg) -5.45 -0.375 2.04
Prot (kg) -2.87 -0.441 1.27
Fertility Sub Index 4.73
Calving Interval (days) -2.06 -1.459 3.01
Survival (%) 1.54 1.117 1.72
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.04
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.63 -0.432 -1.57
Maintenance Sub Index Maint. Sub Index 4.35
Live WT (kg) -14.20 -0.307 4.35
Total Carbon Sub Index 19.75

* Based on an €80/tonne carbon price