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 3.67
Milk (kg) 6.00 -0.014 -0.08
Fat (kg) -5.25 -0.375 1.97
Prot (kg) -4.06 -0.441 1.79
Fertility Sub Index 4.25
Calving Interval (days) -4.40 -1.459 6.42
Survival (%) -1.94 1.117 -2.17
Calving Sub Index -3.02
Gestation Length (days) 3.29 -0.919 -3.02
Beef Sub Index 4.16
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -6.10 -0.432 2.63
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 10.23

* Based on an €80/tonne carbon price