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 4.02
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -4.95 -0.375 1.85
Prot (kg) -2.14 -0.441 0.94
Fertility Sub Index 3.26
Calving Interval (days) -1.54 -1.459 2.25
Survival (%) 0.91 1.117 1.02
Calving Sub Index -1.76
Gestation Length (days) 1.91 -0.919 -1.76
Beef Sub Index -2.75
Carcass Weight (kg) 5.40 -0.528 -2.85
Age of Slaughter (days) -0.22 -0.432 0.09
Maintenance Sub Index Maint. Sub Index -3.13
Live WT (kg) 10.20 -0.307 -3.13
Total Carbon Sub Index -0.36

* Based on an €80/tonne carbon price