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 -7.56
Milk (kg) 306.00 -0.014 -4.28
Fat (kg) -1.82 -0.375 0.68
Prot (kg) 8.97 -0.441 -3.96
Fertility Sub Index 5.08
Calving Interval (days) -1.89 -1.459 2.76
Survival (%) 2.08 1.117 2.32
Calving Sub Index -0.34
Gestation Length (days) 0.37 -0.919 -0.34
Beef Sub Index -1.50
Carcass Weight (kg) 5.70 -0.528 -3.01
Age of Slaughter (days) -3.48 -0.432 1.50
Maintenance Sub Index Maint. Sub Index -2.21
Live WT (kg) 7.20 -0.307 -2.21
Total Carbon Sub Index -6.54

* Based on an €80/tonne carbon price