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 4.62
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -2.72 -0.375 1.02
Prot (kg) -3.19 -0.441 1.41
Fertility Sub Index 7.02
Calving Interval (days) -3.60 -1.459 5.25
Survival (%) 1.58 1.117 1.77
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.25
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 0.66 -0.432 -0.28
Maintenance Sub Index Maint. Sub Index 6.59
Live WT (kg) -21.50 -0.307 6.59
Total Carbon Sub Index 23.26

* Based on an €80/tonne carbon price