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 6.02
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -4.73 -0.375 1.77
Prot (kg) -4.18 -0.441 1.84
Fertility Sub Index 3.00
Calving Interval (days) -1.14 -1.459 1.66
Survival (%) 1.20 1.117 1.34
Calving Sub Index -2.37
Gestation Length (days) 2.58 -0.919 -2.37
Beef Sub Index -3.96
Carcass Weight (kg) 11.00 -0.528 -5.80
Age of Slaughter (days) -4.27 -0.432 1.84
Maintenance Sub Index Maint. Sub Index -4.35
Live WT (kg) 14.20 -0.307 -4.35
Total Carbon Sub Index -1.66

* Based on an €80/tonne carbon price