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 -9.25
Milk (kg) 154.00 -0.014 -2.16
Fat (kg) 9.24 -0.375 -3.46
Prot (kg) 8.23 -0.441 -3.63
Fertility Sub Index -1.55
Calving Interval (days) 0.38 -1.459 -0.55
Survival (%) -0.89 1.117 -0.99
Calving Sub Index 2.34
Gestation Length (days) -2.55 -0.919 2.34
Beef Sub Index -1.85
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 8.57 -0.432 -3.70
Maintenance Sub Index Maint. Sub Index -4.84
Live WT (kg) 15.80 -0.307 -4.84
Total Carbon Sub Index -15.15

* Based on an €80/tonne carbon price