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 3.55
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -2.18 -0.375 0.82
Prot (kg) -2.81 -0.441 1.24
Fertility Sub Index 3.63
Calving Interval (days) -1.43 -1.459 2.09
Survival (%) 1.38 1.117 1.54
Calving Sub Index 0.60
Gestation Length (days) -0.65 -0.919 0.60
Beef Sub Index 3.12
Carcass Weight (kg) -12.70 -0.528 6.70
Age of Slaughter (days) 8.29 -0.432 -3.58
Maintenance Sub Index Maint. Sub Index 12.26
Live WT (kg) -40.00 -0.307 12.26
Total Carbon Sub Index 23.16

* Based on an €80/tonne carbon price