Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 1.67
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -1.45 -0.375 0.54
Prot (kg) -1.42 -0.441 0.63
Fertility Sub Index -5.02
Calving Interval (days) 2.42 -1.459 -3.53
Survival (%) -1.33 1.117 -1.49
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 0.24
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.51 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 1.99
Live WT (kg) -6.50 -0.307 1.99
Total Carbon Sub Index -1.65

* Based on an €80/tonne carbon price