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 4.26
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -2.56 -0.375 0.96
Prot (kg) -6.34 -0.441 2.80
Fertility Sub Index 3.39
Calving Interval (days) -1.76 -1.459 2.57
Survival (%) 0.74 1.117 0.83
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.33
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 5.03 -0.432 -2.17
Maintenance Sub Index Maint. Sub Index 0.86
Live WT (kg) -2.80 -0.307 0.86
Total Carbon Sub Index 7.72

* Based on an €80/tonne carbon price