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 6.22
Milk (kg) -25.00 -0.014 0.35
Fat (kg) -7.90 -0.375 2.96
Prot (kg) -6.60 -0.441 2.91
Fertility Sub Index -12.01
Calving Interval (days) 6.38 -1.459 -9.31
Survival (%) -2.42 1.117 -2.70
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index 0.02
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.87 -0.432 -1.67
Maintenance Sub Index Maint. Sub Index 3.34
Live WT (kg) -10.90 -0.307 3.34
Total Carbon Sub Index -1.80

* Based on an €80/tonne carbon price