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 2.23
Milk (kg) -95.00 -0.014 1.33
Fat (kg) 2.73 -0.375 -1.02
Prot (kg) -4.35 -0.441 1.92
Fertility Sub Index 6.54
Calving Interval (days) -4.21 -1.459 6.14
Survival (%) 0.36 1.117 0.40
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index -0.24
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 3.37
Live WT (kg) -11.00 -0.307 3.37
Total Carbon Sub Index 13.00

* Based on an €80/tonne carbon price