Proposed Net Merit Revisions for 2025 by Paul VanRaden
Explore the proposed net merit revisions for 2025 by Paul VanRaden from USDA's Agricultural Research Service. The revisions cover various aspects such as profit and investment over the life of a cow, profit from differing milk yield PTAs, profit from differing DPR fertility PTAs, and updated economic values in Net Merit.
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Proposed Net Merit $ revisions for 2025 Paul VanRaden USDA, Agricultural Research Service, Animal Genomics and Improvement Laboratory, Beltsville, MD 20705 paul.vanraden@usda.gov Presenter VanRaden Meeting, Location, Date (1) S1096 Dairy Genetics Multistate Group Meeting, University of Minnesota, St Paul, MN, October 21 2024 (1)
Profit and investment over the life of the cow Cumulative expenses and incomes (profit) over life of cow 500 Newborn $ value Cull $ value 0 -500 Cash flow $ -1000 -1500 -2000 -2500 0 20 40 60 80 100 120 Months of life Presenter VanRaden Meeting, Location, Date (2) S1096 Dairy Genetics Multistate Group Meeting, University of Minnesota, St Paul, MN, October 21 2024 (2)
Profit from differing milk yield PTAs (-750, 0, +750) Cumulative cash flow with low, medium, or high milk yield Better Poorer Average 500 0 Cash flow $ -500 -1000 -1500 -2000 -2500 0 20 40 60 80 100 120 Months of life Presenter VanRaden Meeting, Location, Date (3) S1096 Dairy Genetics Multistate Group Meeting, University of Minnesota, St Paul, MN, October 21 2024 (3)
Profit from differing DPR fertility PTAs (-4, 0, +4) Cumulative cash flow with low, medium, or high cow fertility Better Poorer Profit 500 0 Cash flow $ -500 -1000 -1500 -2000 -2500 0 20 40 60 80 100 120 Months of life Presenter VanRaden Meeting, Location, Date (4) S1096 Dairy Genetics Multistate Group Meeting, University of Minnesota, St Paul, MN, October 21 2024 (4)
Updated economic values in Net Merit $ 2021 value $16.50 2024 value $19.00 Income or expense item Base milk price (3.5% fat, 3.0% true protein) .0135, 2.10, 2.60 .0140, 2.80, 2.60 Milk, fat, protein prices of class III milk for cheese -0.009 92% -0.009 80% Somatic cell count premium for class III milk Fraction of milk sold with protein price .120, 5.0, 6.0 .060, 9.0, 7.2 Extra feed pound / pound M, F, and P (Toghiani) $0.60 $0.90 Cull cow price / pound $200 $400 Heifer calf value at birth $0.75 $0.85 Replacement growth costs / pound $400 $450 Replacement growth costs: fixed $0.50 $0.56 Post-calving growth cost / pound Presenter VanRaden Meeting, Location, Date (5) S1096 Dairy Genetics Multistate Group Meeting, University of Minnesota, St Paul, MN, October 21 2024 (5)
Updated economic values in Net Merit $ 2021 value $0.57 2024 value $0.50 Income or expense item Hauling cost per 100 pounds milk for 50 miles 4.50 5.50 Maintenance pounds DMI / pound BW / lact (Toghiani) $0.11 $3.80 $0.12 $4.30 Cost of dry matter intake / pound Value of Daughter Pregnancy Rate / lact $0.90 $1.00 Value of Cow Conception Rate / lact $1.13 $1.37 Value of Heifer Conception Rate $7 $4 Value of Udder Composite / lact $1 $1 Value of Feet & Leg Composite / lact $4, $3, $4, $8 $5, $3, $4, $11 Values of 4 Calving Traits (SCE, DCE, SSB, DSB) Values of 6 Cow Health Traits / lact Presenter VanRaden Meeting, Location, Date (6) S1096 Dairy Genetics Multistate Group Meeting, University of Minnesota, St Paul, MN, October 21 2024 (6)
Details of fertility derivation Fertility trait parameters and input costs: Pregnancy rate averages 32% (was 31%) in cows Conception rate averages 42% (was 34%) in cows Conception rate averages 56% (was 56%) in heifers Use 60% sexed dairy semen @ $25 and 40% conventional beef @ $10 (was 100% convention dairy semen) Semen price averages $19 / unit (was $15) Insemination labor $5, pregnancy check costs $12 (was $10) Synchronization costs $20 / cycle (was heat detection @ $7) Presenter VanRaden Meeting, Location, Date (7) S1096 Dairy Genetics Multistate Group Meeting, University of Minnesota, St Paul, MN, October 21 2024 (7)
Details of productive life derivation Individual lactation profits account for: Age factors for yield Feed intake for weight Interest on investment Trend in Net Merit $ gives younger cows more profit Average value of calf born Schmitt et al (2019), De Vries (2017) Parity 1 % of Herd 37.1 Profit $ -120 2 23.3 151 3 14.7 209 4 5+ 9.2 15.6 208 157 Weighted sum 100.0 176 Presenter VanRaden Meeting, Location, Date (8) S1096 Dairy Genetics Multistate Group Meeting, University of Minnesota, St Paul, MN, October 21 2024 (8)
Calving ability $ update Stillbirth calf loss $400 (was $450 heifer and $150 bull) Cow death loss $2038 (was $1800) Mate s yield loss of 700 pounds milk updated for price $0.196 (was $0.175), now 35% feed cost Mate s fertility loss $70 not changed 2021 Value 2024 Value Trait $4 $5 SCE $3 $3 DCE $4 $4 SSB $8 $11 DSB Presenter VanRaden Meeting, Location, Date (9) S1096 Dairy Genetics Multistate Group Meeting, University of Minnesota, St Paul, MN, October 21 2024 (9)
