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 1.94
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -2.83 -0.375 1.06
Prot (kg) -0.85 -0.441 0.38
Fertility Sub Index 5.69
Calving Interval (days) -2.55 -1.459 3.72
Survival (%) 1.76 1.117 1.97
Calving Sub Index -1.48
Gestation Length (days) 1.61 -0.919 -1.48
Beef Sub Index -1.86
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 6.99 -0.432 -3.02
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 10.26

* Based on an €80/tonne carbon price