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 -2.02
Milk (kg) 38.00 -0.014 -0.53
Fat (kg) 2.80 -0.375 -1.05
Prot (kg) 1.00 -0.441 -0.44
Fertility Sub Index -2.03
Calving Interval (days) 1.12 -1.459 -1.63
Survival (%) -0.35 1.117 -0.39
Calving Sub Index 0.21
Gestation Length (days) -0.23 -0.919 0.21
Beef Sub Index 0.34
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.76 -0.432 -1.19
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index -3.22

* Based on an €80/tonne carbon price