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 -5.61
Milk (kg) -45.00 -0.014 0.63
Fat (kg) 11.37 -0.375 -4.26
Prot (kg) 4.50 -0.441 -1.99
Fertility Sub Index -4.41
Calving Interval (days) 1.93 -1.459 -2.82
Survival (%) -1.43 1.117 -1.60
Calving Sub Index 2.73
Gestation Length (days) -2.97 -0.919 2.73
Beef Sub Index -0.36
Carcass Weight (kg) 2.70 -0.528 -1.42
Age of Slaughter (days) -2.47 -0.432 1.07
Maintenance Sub Index Maint. Sub Index -2.15
Live WT (kg) 7.00 -0.307 -2.15
Total Carbon Sub Index -9.80

* Based on an €80/tonne carbon price