Breed of cow and herd productivity affect milk nutrient recovery in curd, and cheese yield, efficiency and daily production

Animal : an International Journal of Animal Bioscience
G StoccoG Bittante

Abstract

Little is known about cheese-making efficiency at the individual cow level, so our objective was to study the effects of herd productivity, individual herd within productivity class and breed of cow within herd by producing, then analyzing, 508 model cheeses from the milk of 508 cows of six different breeds reared in 41 multi-breed herds classified into two productivity classes (high v. low). For each cow we obtained six milk composition traits; four milk nutrient (fat, protein, solids and energy) recovery traits (REC) in curd; three actual % cheese yield traits (%CY); two theoretical %CYs (fresh cheese and cheese solids) calculated from milk composition; two overall cheese-making efficiencies (% ratio of actual to theoretical %CYs); daily milk yield (dMY); and three actual daily cheese yield traits (dCY). The aforementioned phenotypes were analyzed using a mixed model which included the fixed effects of herd productivity, parity, days in milk (DIM) and breed; the random effects were the water bath, vat, herd and residual. Cows reared in high-productivity herds yielded more milk with higher nutrient contents and more cheese per day, had greater theoretical %CY, and lower cheese-making efficiency than low-productivity herds, but...Continue Reading

References

Mar 2, 2005·Journal of Dairy Science·F MigliorB J Van Doormaal
Nov 26, 2010·Journal of Dairy Science·D B Emmons, H W Modler
Oct 2, 2012·Journal of Dairy Science·G BittanteA Cecchinato
Nov 13, 2014·Animal : an International Journal of Animal Bioscience·C Egger-DannerK F Stock
Nov 28, 2016·Journal of Dairy Science·C DadousisA Cecchinato

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Citations

Jan 2, 2018·Journal of Dairy Science·Hugo Toledo-AlvaradoAlessio Cecchinato
Aug 22, 2018·Journal of Dairy Science·Giuseppe M VaccaMichele Pazzola
Mar 5, 2019·Journal of Dairy Science·Michele PazzolaGiuseppe M Vacca
Aug 21, 2018·Journal of Dairy Science·Claudio Cipolat-GotetAndrea Summer
Jul 30, 2018·Journal of Dairy Science·Hugo Toledo-AlvaradoGiovanni Bittante
Jun 1, 2021·Journal of Dairy Science·Giorgia StoccoGiovanni Bittante

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