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 -3.91
Milk (kg) 32.00 -0.014 -0.45
Fat (kg) 6.56 -0.375 -2.46
Prot (kg) 2.27 -0.441 -1.00
Fertility Sub Index -0.64
Calving Interval (days) 0.76 -1.459 -1.11
Survival (%) 0.42 1.117 0.47
Calving Sub Index 0.61
Gestation Length (days) -0.66 -0.919 0.61
Beef Sub Index 0.04
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 1.26
Live WT (kg) -4.10 -0.307 1.26
Total Carbon Sub Index -2.64

* Based on an €80/tonne carbon price