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 8.82
Milk (kg) -192.00 -0.014 2.69
Fat (kg) -5.69 -0.375 2.13
Prot (kg) -9.06 -0.441 4.00
Fertility Sub Index -2.03
Calving Interval (days) 1.07 -1.459 -1.56
Survival (%) -0.42 1.117 -0.47
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index -0.48
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.57 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index -1.38
Live WT (kg) 4.50 -0.307 -1.38
Total Carbon Sub Index 5.25

* Based on an €80/tonne carbon price