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 -3.29
Milk (kg) -4.00 -0.014 0.06
Fat (kg) 3.01 -0.375 -1.13
Prot (kg) 5.02 -0.441 -2.22
Fertility Sub Index -0.61
Calving Interval (days) 0.94 -1.459 -1.37
Survival (%) 0.68 1.117 0.76
Calving Sub Index 1.60
Gestation Length (days) -1.74 -0.919 1.60
Beef Sub Index -0.75
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 4.80 -0.432 -2.07
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index -1.70

* Based on an €80/tonne carbon price