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 1.43
Milk (kg) -109.00 -0.014 1.53
Fat (kg) 1.69 -0.375 -0.63
Prot (kg) -1.21 -0.441 0.53
Fertility Sub Index 7.94
Calving Interval (days) -3.90 -1.459 5.69
Survival (%) 2.01 1.117 2.25
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.28
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.21 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 5.09
Live WT (kg) -16.60 -0.307 5.09
Total Carbon Sub Index 19.54

* Based on an €80/tonne carbon price