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 4.25
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -1.28 -0.375 0.48
Prot (kg) -5.71 -0.441 2.52
Fertility Sub Index 3.12
Calving Interval (days) -1.57 -1.459 2.29
Survival (%) 0.74 1.117 0.83
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.03
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 2.13 -0.432 -0.92
Maintenance Sub Index Maint. Sub Index -2.67
Live WT (kg) 8.70 -0.307 -2.67
Total Carbon Sub Index 4.26

* Based on an €80/tonne carbon price