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 6.00
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -4.93 -0.375 1.85
Prot (kg) -5.73 -0.441 2.53
Fertility Sub Index 7.28
Calving Interval (days) -4.34 -1.459 6.33
Survival (%) 0.85 1.117 0.95
Calving Sub Index 0.64
Gestation Length (days) -0.70 -0.919 0.64
Beef Sub Index 0.20
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 1.01 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 3.13
Live WT (kg) -10.20 -0.307 3.13
Total Carbon Sub Index 17.25

* Based on an €80/tonne carbon price