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 5.85
Milk (kg) -133.00 -0.014 1.86
Fat (kg) -6.93 -0.375 2.60
Prot (kg) -3.16 -0.441 1.39
Fertility Sub Index 0.94
Calving Interval (days) -0.37 -1.459 0.54
Survival (%) 0.36 1.117 0.40
Calving Sub Index -2.01
Gestation Length (days) 2.19 -0.919 -2.01
Beef Sub Index -4.38
Carcass Weight (kg) 5.50 -0.528 -2.90
Age of Slaughter (days) 3.43 -0.432 -1.48
Maintenance Sub Index Maint. Sub Index -2.02
Live WT (kg) 6.60 -0.307 -2.02
Total Carbon Sub Index -1.63

* Based on an €80/tonne carbon price