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 6.30
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -6.65 -0.375 2.49
Prot (kg) -5.08 -0.441 2.24
Fertility Sub Index 2.08
Calving Interval (days) -0.67 -1.459 0.98
Survival (%) 0.99 1.117 1.11
Calving Sub Index -0.77
Gestation Length (days) 0.84 -0.919 -0.77
Beef Sub Index -3.07
Carcass Weight (kg) 4.70 -0.528 -2.48
Age of Slaughter (days) 1.36 -0.432 -0.59
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index 4.64

* Based on an €80/tonne carbon price