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 6.07
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -8.06 -0.375 3.02
Prot (kg) -3.20 -0.441 1.41
Fertility Sub Index 6.75
Calving Interval (days) -3.12 -1.459 4.55
Survival (%) 1.97 1.117 2.20
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.66
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.90 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 3.80
Live WT (kg) -12.40 -0.307 3.80
Total Carbon Sub Index 21.09

* Based on an €80/tonne carbon price