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 3.52
Milk (kg) -70.00 -0.014 0.98
Fat (kg) -3.98 -0.375 1.49
Prot (kg) -2.38 -0.441 1.05
Fertility Sub Index 1.73
Calving Interval (days) -1.05 -1.459 1.53
Survival (%) 0.18 1.117 0.20
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.06
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 1.38
Live WT (kg) -4.50 -0.307 1.38
Total Carbon Sub Index 6.22

* Based on an €80/tonne carbon price