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 1.00
Milk (kg) -92.00 -0.014 1.29
Fat (kg) 3.09 -0.375 -1.16
Prot (kg) -1.97 -0.441 0.87
Fertility Sub Index 5.63
Calving Interval (days) -3.07 -1.459 4.48
Survival (%) 1.03 1.117 1.15
Calving Sub Index 5.13
Gestation Length (days) -5.58 -0.919 5.13
Beef Sub Index -2.26
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 11.10 -0.432 -4.79
Maintenance Sub Index Maint. Sub Index -1.53
Live WT (kg) 5.00 -0.307 -1.53
Total Carbon Sub Index 7.97

* Based on an €80/tonne carbon price