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 11.15
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -14.04 -0.375 5.26
Prot (kg) -7.74 -0.441 3.42
Fertility Sub Index 7.16
Calving Interval (days) -2.72 -1.459 3.97
Survival (%) 2.86 1.117 3.20
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index 10.15
Carcass Weight (kg) -16.50 -0.528 8.70
Age of Slaughter (days) -3.35 -0.432 1.45
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 34.13

* Based on an €80/tonne carbon price