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 2.72
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -1.20 -0.375 0.45
Prot (kg) -1.79 -0.441 0.79
Fertility Sub Index 0.47
Calving Interval (days) 1.37 -1.459 -2.00
Survival (%) 2.21 1.117 2.47
Calving Sub Index -1.63
Gestation Length (days) 1.77 -0.919 -1.63
Beef Sub Index -1.63
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 4.99 -0.432 -2.15
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 2.03

* Based on an €80/tonne carbon price