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 1.45
Milk (kg) 8.00 -0.014 -0.11
Fat (kg) -2.66 -0.375 1.00
Prot (kg) -1.28 -0.441 0.56
Fertility Sub Index 5.15
Calving Interval (days) -2.33 -1.459 3.40
Survival (%) 1.57 1.117 1.75
Calving Sub Index -0.07
Gestation Length (days) 0.08 -0.919 -0.07
Beef Sub Index 2.53
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) -5.24 -0.432 2.26
Maintenance Sub Index Maint. Sub Index -0.55
Live WT (kg) 1.80 -0.307 -0.55
Total Carbon Sub Index 8.50

* Based on an €80/tonne carbon price