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 8.97
Milk (kg) -218.00 -0.014 3.05
Fat (kg) -7.64 -0.375 2.86
Prot (kg) -6.93 -0.441 3.06
Fertility Sub Index 8.80
Calving Interval (days) -5.18 -1.459 7.56
Survival (%) 1.11 1.117 1.24
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.60
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) -1.51 -0.432 0.65
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 21.20

* Based on an €80/tonne carbon price