The effects of storage temperature on goat milk somatic cell count using the DeLaval counter |
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Authors: | Davinia Sanchez-Macias Noemi Castro Isabel Moreno-Indias Antonio Morales-delaNuez Heather Briggs Juan Capote Anastasio Argüello |
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Institution: | 1.Department of Animal Science,Las Palmas de Gran Canaria University,Arucas,Spain;2.Canary Agronomic Science Institute,La Laguna,Spain;3.Facultad de Veterinaria,Universidad de Las Palmas de Gran Canaria,Arucas,Spain |
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Abstract: | This study investigated the influence of storage temperature and storage time on goat milk somatic cell counts (SCCs) determined
using the DeLaval cell counter (DCC). SCCs were measured in 40 Majorera goat milk samples using the DCC device. Samples were
grouped from high score (>2,750 × 103 cells/mL) to low score (<630 × 103 cell/mL) according to the SCC. Each milk sample was divided into four aliquots and stored at four different temperatures
(4°C, 21°C, 36°C or 45°C). The SCC was recorded every hour for 12 hours. Storage of goat milk with a high SCC for 5, 5, 2
or 1 hour at 4°C, 21°C, 36°C or 45°C, respectively, decreased the SCC value compared to fresh milk. The goat milk SCC was
lower after 1 hour of storage than that determined for fresh milk at any tested temperature in low-SCC samples. The data presented
herein suggest that regardless of storage temperature, goat milk samples should not be stored for more than 1 hour before
measurement of SCC with a DCC device. |
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