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 2.48
Milk (kg) -176.00 -0.014 2.46
Fat (kg) 2.21 -0.375 -0.83
Prot (kg) -1.91 -0.441 0.84
Fertility Sub Index 6.11
Calving Interval (days) -2.71 -1.459 3.95
Survival (%) 1.93 1.117 2.16
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.73
Carcass Weight (kg) -3.70 -0.528 1.95
Age of Slaughter (days) -1.80 -0.432 0.78
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 21.62

* Based on an €80/tonne carbon price