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 1.25
Milk (kg) 3.00 -0.014 -0.04
Fat (kg) -4.11 -0.375 1.54
Prot (kg) 0.55 -0.441 -0.24
Fertility Sub Index -1.45
Calving Interval (days) 2.52 -1.459 -3.68
Survival (%) 1.99 1.117 2.22
Calving Sub Index -1.93
Gestation Length (days) 2.10 -0.919 -1.93
Beef Sub Index -4.63
Carcass Weight (kg) 4.50 -0.528 -2.37
Age of Slaughter (days) 5.23 -0.432 -2.26
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index -4.89

* Based on an €80/tonne carbon price