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 8.26
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -9.59 -0.375 3.59
Prot (kg) -7.00 -0.441 3.09
Fertility Sub Index 0.02
Calving Interval (days) 0.16 -1.459 -0.23
Survival (%) 0.23 1.117 0.26
Calving Sub Index -1.97
Gestation Length (days) 2.14 -0.919 -1.97
Beef Sub Index -3.91
Carcass Weight (kg) 10.40 -0.528 -5.49
Age of Slaughter (days) -3.65 -0.432 1.58
Maintenance Sub Index Maint. Sub Index -6.53
Live WT (kg) 21.30 -0.307 -6.53
Total Carbon Sub Index -4.12

* Based on an €80/tonne carbon price