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 1.04
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -0.53 -0.375 0.20
Prot (kg) -0.57 -0.441 0.25
Fertility Sub Index 7.00
Calving Interval (days) -3.49 -1.459 5.09
Survival (%) 1.71 1.117 1.91
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.20
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 2.71 -0.432 -1.17
Maintenance Sub Index Maint. Sub Index 4.75
Live WT (kg) -15.50 -0.307 4.75
Total Carbon Sub Index 17.80

* Based on an €80/tonne carbon price