Milk yield, quality, and coagulation properties of 6 breeds of goats: Environmental and individual variability

Journal of Dairy Science
Giuseppe M VaccaMichele Pazzola

Abstract

Goat milk and cheese production is continuously increasing and milk composition and coagulation properties (MCP) are useful tools to predict cheesemaking aptitude. The present study was planned to investigate the extension of lactodynamographic analysis up to 60 min in goat milk, to measure the farm and individual factors, and to investigate differences among 6 goat breeds. Daily milk yield (dMY) was recorded and milk samples collected from 1,272 goats reared in 35 farms. Goats were of 6 different breeds: Saanen and Camosciata delle Alpi for the Alpine type, and Murciano-Granadina, Maltese, Sarda, and Sarda Primitiva for the Mediterranean type. Milk composition (fat, protein, lactose, pH; somatic cell score; logarithmic bacterial count) and MCP [rennet coagulation time (RCT, min), curd-firming time (k20, min), curd firmness at 30, 45, and 60 min after rennet addition (a30, a45, and a60, mm)] were recorded, and daily fat and protein yield (dFPY g/d) was calculated as the sum of fat and protein concentration multiplied by the dMY. Data were analyzed using different statistical models to measure the effects of farm, parity, stage of lactation and breed; lastly, the direct and the indirect effect of breed were quantified by compari...Continue Reading

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Citations

Feb 6, 2020·Animals : an Open Access Journal From MDPI·Agnieszka LudwiczakMarek Stanisz
Nov 20, 2019·Journal of Animal Breeding and Genetics = Zeitschrift Für Tierzüchtung Und Züchtungsbiologie·María Gabriela Pizarro InostrozaJuan Vicente Delgado Bermejo
Aug 22, 2018·Journal of Dairy Science·Giuseppe M VaccaMichele Pazzola
Jul 5, 2019·Animals : an Open Access Journal From MDPI·Sarah CurròGianluca Neglia
Feb 27, 2020·Animals : an Open Access Journal From MDPI·Paula MonllorJosé Ramón Díaz
Aug 28, 2018·Journal of Dairy Science·Giorgia StoccoGiuseppe M Vacca
Jul 29, 2019·Journal of Dairy Science·Giorgia StoccoGiuseppe M Vacca
May 8, 2018·Journal of Dairy Science·Michele PazzolaGiuseppe M Vacca
Aug 11, 2019·Animals : an Open Access Journal From MDPI·Michele Pazzola
Mar 5, 2019·Journal of Dairy Science·Michele PazzolaGiuseppe M Vacca
Dec 23, 2020·Scientific Reports·K RosenbergerN Keil
Apr 4, 2021·Animals : an Open Access Journal From MDPI·María Isabel BerrugaAna Molina
Jul 3, 2021·Animals : an Open Access Journal From MDPI·Nemesio FernándezSebastián Balasch
Jul 3, 2021·Animals : an Open Access Journal From MDPI·Michaela BrzákováZuzana Sztankóová

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