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 8.22
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -9.33 -0.375 3.49
Prot (kg) -5.73 -0.441 2.53
Fertility Sub Index 1.93
Calving Interval (days) -0.74 -1.459 1.08
Survival (%) 0.76 1.117 0.85
Calving Sub Index -1.72
Gestation Length (days) 1.87 -0.919 -1.72
Beef Sub Index -1.81
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) 0.78 -0.432 -0.34
Maintenance Sub Index Maint. Sub Index 0.89
Live WT (kg) -2.90 -0.307 0.89
Total Carbon Sub Index 7.51

* Based on an €80/tonne carbon price