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 -6.54
Milk (kg) 93.00 -0.014 -1.30
Fat (kg) 7.21 -0.375 -2.70
Prot (kg) 5.75 -0.441 -2.54
Fertility Sub Index -1.05
Calving Interval (days) 1.53 -1.459 -2.23
Survival (%) 1.06 1.117 1.18
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index -1.16
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 4.52 -0.432 -1.95
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index -3.20

* Based on an €80/tonne carbon price