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 7.22
Milk (kg) -169.00 -0.014 2.37
Fat (kg) -6.70 -0.375 2.51
Prot (kg) -5.32 -0.441 2.35
Fertility Sub Index 5.15
Calving Interval (days) -1.80 -1.459 2.63
Survival (%) 2.26 1.117 2.52
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.42
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) -0.48 -0.432 0.21
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 21.55

* Based on an €80/tonne carbon price