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 6.09
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -7.56 -0.375 2.83
Prot (kg) -3.70 -0.441 1.63
Fertility Sub Index 4.05
Calving Interval (days) -2.40 -1.459 3.50
Survival (%) 0.49 1.117 0.55
Calving Sub Index 0.14
Gestation Length (days) -0.15 -0.919 0.14
Beef Sub Index 1.82
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 1.03 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 3.07
Live WT (kg) -10.00 -0.307 3.07
Total Carbon Sub Index 15.16

* Based on an €80/tonne carbon price