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 7.21
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -6.16 -0.375 2.31
Prot (kg) -5.66 -0.441 2.50
Fertility Sub Index 3.51
Calving Interval (days) -2.17 -1.459 3.17
Survival (%) 0.31 1.117 0.35
Calving Sub Index 0.12
Gestation Length (days) -0.13 -0.919 0.12
Beef Sub Index 1.63
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 1.24 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 15.63

* Based on an €80/tonne carbon price