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 1.40
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -1.28 -0.375 0.48
Prot (kg) 1.38 -0.441 -0.61
Fertility Sub Index 1.83
Calving Interval (days) -0.85 -1.459 1.24
Survival (%) 0.53 1.117 0.59
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.02
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.61 -0.432 -1.13
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index 3.70

* Based on an €80/tonne carbon price