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 10.98
Milk (kg) -165.00 -0.014 2.31
Fat (kg) -13.11 -0.375 4.91
Prot (kg) -8.51 -0.441 3.76
Fertility Sub Index 3.05
Calving Interval (days) -2.04 -1.459 2.98
Survival (%) 0.07 1.117 0.08
Calving Sub Index -1.61
Gestation Length (days) 1.75 -0.919 -1.61
Beef Sub Index 2.54
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) -0.76 -0.432 0.33
Maintenance Sub Index Maint. Sub Index 6.53
Live WT (kg) -21.30 -0.307 6.53
Total Carbon Sub Index 21.49

* Based on an €80/tonne carbon price