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 9.37
Milk (kg) -194.00 -0.014 2.72
Fat (kg) -10.41 -0.375 3.90
Prot (kg) -6.25 -0.441 2.76
Fertility Sub Index -0.15
Calving Interval (days) 0.67 -1.459 -0.98
Survival (%) 0.74 1.117 0.83
Calving Sub Index -1.99
Gestation Length (days) 2.17 -0.919 -1.99
Beef Sub Index -2.44
Carcass Weight (kg) 3.00 -0.528 -1.58
Age of Slaughter (days) 1.99 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index -1.38
Live WT (kg) 4.50 -0.307 -1.38
Total Carbon Sub Index 3.40

* Based on an €80/tonne carbon price