Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index -3.26
Milk (kg) 172.00 -0.014 -2.41
Fat (kg) 2.49 -0.375 -0.93
Prot (kg) -0.18 -0.441 0.08
Fertility Sub Index -2.92
Calving Interval (days) 1.80 -1.459 -2.63
Survival (%) -0.26 1.117 -0.29
Calving Sub Index 1.76
Gestation Length (days) -1.92 -0.919 1.76
Beef Sub Index -3.13
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 7.85 -0.432 -3.39
Maintenance Sub Index Maint. Sub Index -1.59
Live WT (kg) 5.20 -0.307 -1.59
Total Carbon Sub Index -9.14

* Based on an €80/tonne carbon price