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 10.76
Milk (kg) -162.00 -0.014 2.27
Fat (kg) -9.38 -0.375 3.51
Prot (kg) -11.29 -0.441 4.98
Fertility Sub Index 4.48
Calving Interval (days) -2.42 -1.459 3.53
Survival (%) 0.85 1.117 0.95
Calving Sub Index -0.33
Gestation Length (days) 0.36 -0.919 -0.33
Beef Sub Index -2.60
Carcass Weight (kg) 3.30 -0.528 -1.74
Age of Slaughter (days) 2.00 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index -2.64
Live WT (kg) 8.60 -0.307 -2.64
Total Carbon Sub Index 9.68

* Based on an €80/tonne carbon price