Quantitative Associations between Season, Month, and Temperature-Humidity Index with Milk Yield, Composition, Somatic Cell Counts, and Microbial Load: A Comprehensive Study across Ten Dairy Farms over an Annual Cycle.
heat stress
microbial load
milk production
somatic cell count
temperature–humidity index
Journal
Animals : an open access journal from MDPI
ISSN: 2076-2615
Titre abrégé: Animals (Basel)
Pays: Switzerland
ID NLM: 101635614
Informations de publication
Date de publication:
13 Oct 2023
13 Oct 2023
Historique:
received:
18
09
2023
revised:
09
10
2023
accepted:
10
10
2023
medline:
28
10
2023
pubmed:
28
10
2023
entrez:
28
10
2023
Statut:
epublish
Résumé
This current study addresses the knowledge gap regarding the influence of seasons, months, and THI on milk yield, composition, somatic cell counts (SCC), and total bacterial counts (TBC) of dairy farms in northeastern regions of Iran. For this purpose, ten dairy herds were randomly chosen, and daily milk production records were obtained. Milk samples were systematically collected from individual herds upon delivery to the dairy processing facility for subsequent analysis, including fat, protein, solids-not-fat (SNF), pH, SCC, and TBC. The effects of seasons, months, and THI on milk yield, composition, SCC, and TBC were assessed using an analysis of variance. To account for these effects, a mixed-effects model was utilized with a restricted maximum likelihood approach, treating month and THI as fixed factors. Our investigation revealed noteworthy correlations between key milk parameters and seasonal, monthly, and THI variations. Winter showed the highest milk yield, fat, protein, SNF, and pH (
Identifiants
pubmed: 37893929
pii: ani13203205
doi: 10.3390/ani13203205
pmc: PMC10603629
pii:
doi:
Types de publication
Journal Article
Langues
eng
Références
Vet World. 2018 May;11(5):562-577
pubmed: 29915493
J Therm Biol. 2023 May;114:103585
pubmed: 37344033
J Therm Biol. 2021 Jul;99:102917
pubmed: 34420599
Vet World. 2021 Apr;14(4):956-963
pubmed: 34083946
Front Vet Sci. 2023 Jun 20;10:1198697
pubmed: 37408833
Animals (Basel). 2023 Jul 25;13(15):
pubmed: 37570216
Animal. 2014 Apr;8(4):667-74
pubmed: 24513161
J Dairy Sci. 2015 Mar;98(3):1815-27
pubmed: 25547301
Animals (Basel). 2023 May 22;13(10):
pubmed: 37238143
J Dairy Sci. 2016 Jul;99(7):5764-5779
pubmed: 27132106
Food Chem Toxicol. 2009 May;47(5):1009-21
pubmed: 19353812
J Dairy Sci. 2016 Oct;99(10):8486-8497
pubmed: 27522424
J Vet Sci. 2015;16(4):439-46
pubmed: 26040614
Animals (Basel). 2019 Nov 25;9(12):
pubmed: 31775331
J Dairy Sci. 2009 Jan;92(1):109-16
pubmed: 19109269
Int J Biometeorol. 2018 Dec;62(12):2089-2097
pubmed: 30368680
J Dairy Sci. 2013;96(11):6863-6869
pubmed: 24054296
Front Vet Sci. 2018 Oct 09;5:247
pubmed: 30356776
Anim Sci J. 2019 May;90(5):613-618
pubmed: 30815937
J Dairy Sci. 2015 Jul;98(7):4956-68
pubmed: 25958288
Anim Biosci. 2021 Apr;34(4):567-574
pubmed: 32777906
Vet Anim Sci. 2020 May 30;9:100121
pubmed: 32734122
Animals (Basel). 2022 Sep 19;12(18):
pubmed: 36139344
Animals (Basel). 2021 Oct 30;11(11):
pubmed: 34827846
J Dairy Sci. 2003 Dec;86(12):3899-911
pubmed: 14740825
J Anim Sci Technol. 2023 May;65(3):588-595
pubmed: 37332291
J Dairy Res. 2023 Aug;90(3):280-286
pubmed: 37781774
Foods. 2020 Dec 03;9(12):
pubmed: 33287137
BMC Public Health. 2020 Jun 9;20(1):894
pubmed: 32517771
J Dairy Sci. 2001 Oct;84(10):2314-20
pubmed: 11699464
J Dairy Sci. 2005 May;88(5):1855-64
pubmed: 15829679
J Dairy Sci. 2007 Apr;90(4):1947-56
pubmed: 17369235
J AOAC Int. 2002 Nov-Dec;85(6):1217-40
pubmed: 12477183
BMC Genomics. 2021 Mar 17;22(1):193
pubmed: 33731012
J Food Sci Technol. 2018 Jan;55(1):299-303
pubmed: 29358822
J Anim Sci. 2017 Apr;95(4):1813-1826
pubmed: 28464073
J Dairy Sci. 2010 Jul;93(7):3192-202
pubmed: 20630236