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 -4.43
Milk (kg) 6.00 -0.014 -0.08
Fat (kg) 3.16 -0.375 -1.18
Prot (kg) 7.16 -0.441 -3.16
Fertility Sub Index -0.15
Calving Interval (days) 0.17 -1.459 -0.25
Survival (%) 0.09 1.117 0.10
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index -1.45
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 2.74 -0.432 -1.18
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index -3.92

* Based on an €80/tonne carbon price