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 12.09
Milk (kg) -303.00 -0.014 4.24
Fat (kg) -8.59 -0.375 3.22
Prot (kg) -10.50 -0.441 4.63
Fertility Sub Index -1.09
Calving Interval (days) 0.41 -1.459 -0.60
Survival (%) -0.44 1.117 -0.49
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.40
Carcass Weight (kg) -7.80 -0.528 4.11
Age of Slaughter (days) 3.97 -0.432 -1.71
Maintenance Sub Index Maint. Sub Index 6.81
Live WT (kg) -22.20 -0.307 6.81
Total Carbon Sub Index 23.06

* Based on an €80/tonne carbon price