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 9.82
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -11.67 -0.375 4.37
Prot (kg) -6.73 -0.441 2.97
Fertility Sub Index 3.06
Calving Interval (days) -1.99 -1.459 2.90
Survival (%) 0.14 1.117 0.16
Calving Sub Index -1.54
Gestation Length (days) 1.67 -0.919 -1.54
Beef Sub Index -2.02
Carcass Weight (kg) 4.10 -0.528 -2.16
Age of Slaughter (days) -0.34 -0.432 0.15
Maintenance Sub Index Maint. Sub Index -0.06
Live WT (kg) 0.20 -0.307 -0.06
Total Carbon Sub Index 9.27

* Based on an €80/tonne carbon price