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 11.02
Milk (kg) -341.00 -0.014 4.77
Fat (kg) -6.59 -0.375 2.47
Prot (kg) -8.56 -0.441 3.78
Fertility Sub Index 9.07
Calving Interval (days) -4.80 -1.459 7.00
Survival (%) 1.85 1.117 2.07
Calving Sub Index -2.55
Gestation Length (days) 2.77 -0.919 -2.55
Beef Sub Index -5.50
Carcass Weight (kg) 13.80 -0.528 -7.28
Age of Slaughter (days) -4.12 -0.432 1.78
Maintenance Sub Index Maint. Sub Index -6.44
Live WT (kg) 21.00 -0.307 -6.44
Total Carbon Sub Index 5.60

* Based on an €80/tonne carbon price