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 8.06
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -9.70 -0.375 3.63
Prot (kg) -5.04 -0.441 2.22
Fertility Sub Index 7.53
Calving Interval (days) -3.42 -1.459 4.99
Survival (%) 2.27 1.117 2.54
Calving Sub Index -1.28
Gestation Length (days) 1.39 -0.919 -1.28
Beef Sub Index -2.12
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) 3.19 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 13.94

* Based on an €80/tonne carbon price