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 9.83
Milk (kg) -188.00 -0.014 2.63
Fat (kg) -6.55 -0.375 2.45
Prot (kg) -10.74 -0.441 4.74
Fertility Sub Index -2.56
Calving Interval (days) 1.43 -1.459 -2.09
Survival (%) -0.42 1.117 -0.47
Calving Sub Index 0.98
Gestation Length (days) -1.07 -0.919 0.98
Beef Sub Index 0.21
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.33 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index -3.25
Live WT (kg) 10.60 -0.307 -3.25
Total Carbon Sub Index 5.20

* Based on an €80/tonne carbon price