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. 2020 May 30;9:100121. doi: 10.1016/j.vas.2020.100121

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© 2020 The Authors. Published by Elsevier Ltd.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig 2 — Pearson correlation coefficients between temperature, humidity and the daily milk yield, and the related indicators of milk composition. A, Pearson 's test showed strong negative correlation between temperature and the daily milk yield (r = -0.44, p < 0.0001). B-E, Pearson 's test showed strong negative correlations between temperature and the related indicators of milk composition (B: fat content: r = -0.91, p < 0.0001; C: protein content: r = -0.84, p < 0.0001; D: dry matter: r = -0.91, p < 0.0001; E: non-fat milk solid: r = -0.65, p < 0.0001). F, Pearson 's test showed positive correlation between humidity and the daily milk yield (r = 0.27, p = 0.004). G-J, Pearson 's test showed no correlations between humidity and the related indicators of milk composition (G: fat content: r = 0.06, p =0.51; H: protein content: r = -0.01, p =0.92; I: dry matter: r = 0.03, p =0.74; J: non-fat milk solid: r = -0.16, p =0.09).