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 4.08
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -4.14 -0.375 1.55
Prot (kg) -2.33 -0.441 1.03
Fertility Sub Index 4.77
Calving Interval (days) -1.90 -1.459 2.77
Survival (%) 1.79 1.117 2.00
Calving Sub Index -0.58
Gestation Length (days) 0.63 -0.919 -0.58
Beef Sub Index -4.47
Carcass Weight (kg) 6.70 -0.528 -3.53
Age of Slaughter (days) 2.17 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index -2.54
Live WT (kg) 8.30 -0.307 -2.54
Total Carbon Sub Index 1.25

* Based on an €80/tonne carbon price