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 5.59
Milk (kg) -123.00 -0.014 1.72
Fat (kg) -6.91 -0.375 2.59
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 2.78
Calving Interval (days) -1.19 -1.459 1.74
Survival (%) 0.93 1.117 1.04
Calving Sub Index -0.98
Gestation Length (days) 1.07 -0.919 -0.98
Beef Sub Index -3.00
Carcass Weight (kg) 6.40 -0.528 -3.38
Age of Slaughter (days) -0.88 -0.432 0.38
Maintenance Sub Index Maint. Sub Index -2.18
Live WT (kg) 7.10 -0.307 -2.18
Total Carbon Sub Index 2.21

* Based on an €80/tonne carbon price