Environmental factors affecting milk composition in Holstein cattle breed


Keywords:
somatic cell count milk urea season parity stage of lactation
K ČOBANOVIĆ
M PAJIĆ
M RADINOVIĆ
M SIMONOVIĆ
CS CSORBA
D KUČEVIĆ
ZS BECSKEI
Abstract

The incidence of mastitis in dairy herds is one of the main difficulties faced by dairy farmers, with a negative effect on the productivity of the herd and the welfare of the animals. Somatic cell count in milk is an indicator of udder health and frequency of clinical and subclinical mastitis incidence in dairy herds, and it is also often used to determine quality payments to dairy producers. Milk urea can be an indicator of the nutritional status of the dairy cows. The interpretation of these parameters assists in making important management decisions with regards to the health status and nutrition of dairy cattle. The objective of this study was to identify and evaluate environmental factors (farm, season, parity and stage of lactation) which affect the milk production and composition of Holstein breed, using field data. The presented research included 25,460 individual milk samples which were analysed as part of the Dairy Herd Improvement program, from 11 Holstein dairy farms in the region of Vojvodina, Northern Serbia. Analyses of raw milk samples were carried out on the FOSS instruments - CombiFossTMFT+, a combination instrument consisting of the MilcoScanTMFT+ and the FossomaticTMFC. Statistical data processing was carried out by applying General Linear Model procedure, Statistics 13. Farm, season of milk control, parity and stage of lactation were included in the models as fixed effects. Significant differences in milk urea concentrations and somatic cell count were observed between farms (P<0.01), seasons (P<0.01), parity (P<0.01) and stage of lactation (P<0.01). Results showed that there were a highly significant (P<0.01) positive relationships between milk urea (MU) concentration and milk yield, MU and milk fat content, and between MU and solids non-fat (SNF), also between somatic cell count (SCC) and milk fat content, between SCC and protein content, as well as in between SCC and SNF. Highly significant negative relationships were found between milk urea and protein content and SCC, and between SCC and daily milk yield and lactose content. Proper analyses and interpretation of obtained results of milk samples obtained within the Dairy Herd Improvement program could contribute to better health management on the farms and it could have a positive impact on composition and nutritional value of milk, as well as on milk safety. It would be important to carry out further research in order to facilitate the detection of subclinical mastitis with MU as a potential indicator.

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References
Ali AKA, Shook GE. (1980) An optimum transformation for somatic cell concentration in milk. Journal of Dairy Science 63(3):487-490.
Bendelja D, Prpić Z, Mikulec N, Ivkić Z, Havranek J, Antunac N (2011) Milk urea concentration in Holstein and Simmental cows. Mljekarstvo 61:45-55.
Boboš S, Radinović M, Vidić B, Pajić M, Vidić V, Galfi A (2013) Mastitis therapy: Direct and indirect costs. Biotechnology in Animal Husbandry 29(2):269-275.
Campos G, Gianola D, Heringstad B (2006) A structural equation model for describing relationships between somatic cell score and milk yield in first lactation dairy cows. Journal of Dairy Science 84:4445-4455.
Carlsson J, Pehrson B (1993) The relationship between seasonal variations in the concentration of urea in bulk milk and the production and fertility of dairy herds. Journal of American Vet Med Assoc 40:205-212.
Čobić T, Antov G (1996) Govedarstvo, proizvodnja mleka, S Print, Novi Sad.
Coffey EM, Vinson WE, Pearson RE (1986) Potential of somatic cell concentration in milk as a sire selection criterion to reduce mastitis in dairy cattle. Journal of Dairy Science 69:2163-2172.
Fatehi F, Zali A, Honarvar M, Dehghan - Banadaky M, Young AJ, Ghiasvand M, Eftekhari M (2012) Review of the relationship between milk urea nitrogen and days in milk, parity, and monthly temperature mean in Iranian Holstein cows. Journal of Dairy Science 95:5156-5163.
Ferreira FC, De Vries A (2015) Effects of season and herd milk volume on somatic cell counts of Florida dairy farms. Journal of dairy science 98:4182-4197.
Godden SM, Lissemore KD, Kelton DF, Leslie KE, Walton JS, Lumsden JH (2001) Factors associated with milk urea concentrations in Ontario dairy herds. Journal of Dairy Science 84:107-114.
Hof G, Vervoorn MD, Lenaers PJ, Tamminga S (1997) Milk urea nitrogen as a tool to monitor the protein nutrition of dairy cows. Journal of Dairy Science 80:3333-3340.
Hojman D, Kroll O, Adin G, Gips M, Hanocchi B, Ezra E (2004) Relationships between milk urea and production, nutrition, and fertility traits in Israeli dairy herds. Journal of Dairy Science 87:1001-1011.
ICAR (2014) Recording guidelines. International Committee for Animal Recording
ICAR (2020) Procedure 1 of Section 12 of ICAR Guidelines - Protocol for the Evaluation of Milk Analysers for ICAR Certification. The Global Standard for livestock Data.
Ivanov G, Bilgucu E, Balabanova T, Ivanova I, Uzatici A (2017) Effect of animal breed, season and milk production scale on somatic cell count and composition of cow milk. Bulgarian Journal of Agricultural Science 23:1047-1052.
Kohn RA, French KR, Russek-Cohen E (2004) A comparison of instruments and laboratories used to measure milk urea nitrogen in bulktank milk samples. Journal of Dairy Science 87:1848-1853.
Konjačić M, Ivanković A, Ivkić Z, Mijić P, Kelava N, Ramljak J, Luković Z, Kos I (2006) Utjecaj sezone i farme na koncentraciju uereje u mlijeku Holstein krava. Stočarstvo 60:421-426.
Konjačić M, Kelava N, Ivkić Z, Ivanković A, Prpić Z, Vnučec I, Ramljak J, Mijić P (2010) Non nutritional factors of milk urea concentration in Holstein cows from large dairy farms in Croatia. Mljekarstvo 60:166-174.
Licata E (1985) Subclinical mastitis and urea determination in cows’ milk. Obiettivi e Doc-Vet 6:65-67.
Main breeding organization (2016) Annual report 2015 about implementation of breeding measures in livestock Vojvodina. Department of animal science, Faculty of Agriculture, University of Novi Sad.
Memiši N, Bogdanović V, Tomić Z, Kasalica A, Žujović M, Stanišić N, Delić N (2011) Variability and correlation between basic quality parameters of raw cow milk. Biotechnology in Animal Husbandry 27:959-967.
Oudah EZM (2009) Non genetic factors affecting somatic cell count, milk urea content, test day milk yield and milk protein percent in dairy cattle of Czech Republic using individual test day records. Livestock Research for Rural Development 21:1-25.
Park C, Lindberg GL (2004) The mammary gland and lactation. In Dukes physiology of domestic animals, 12th ed., Cornell University Press, Ithaca, London.
Piccardi M, Pipino D, Bo GA, Balzarini M (2014) Productive and reproductive performance of first lactation purebred Holstein versus Swedish red & white X Holstein in central Argentina. Livestock Science 165:37-41.
Rajala-Schultz PJ, Saville WJA, Frazer GS, Wittum TE (2001) Association between milk urea nitrogen and fertility in Ohio dairy cows. Journal of Dairy Science 84:482-489.
Roy B, Ghosh CP, Nagpaul PK, Mehla RK (2001) Effect of udder health on milk urea concentration. Ind J Anim Prod Manag 3&4:91-93.
Sadeghi-Sefidmazgi A, Rayatdoost-Baghal F (2014) Effects of herd management practices on somatic cell counts in an arid climate. R Bras Zootec 43:499-504.
Sant’ Anna AC, Paranhos da Costa MJR (2011) The relationship between dairy cow hygiene and somatic cell count in milk. Journal of Dairy Science 94(8):3835-3844.
Sitkowska B (2008) Effect of the cow age group and lactation stage on the count of somatic cells in cow milk. Journal of central European agriculture 9: 57-62.
Spek JW, Dijkstra J, Bannink A (2016) Influence of milk urea concentration on fractional urea disappearance rate from milk to blood plasma in dairy cows. Journal of dairy science 99(5):3880-3888.
Syridion D, Layek SS, Behera K, Mohanty TK, Kumaresan A, Manimaran A, Dang AK, Prasad S (2012) Effects of parity, season, stage of lactation, and milk yield on milk somatic cell count, pH and electrical conductivity in crossbred cows reared under subtropical climatic conditions. Milchwissenschaft-Milk Science International 67:362-365.
Wattiaux MA, Karg KL (2004) Protein level for alf-alf and corn silage - based diets: I. Lactation response and milk urea nitrogen. Journal of Dairy Science 87:3480-3491.
Wattiaux MA, Nordheim EV, Crump P (2005) Statistical Evaluation of factors and interactions affecting dairy herd improvement milk urea nitrogen in commercial Midwest dairy herds. Journal of Dairy Science 88:3020-3035.
Wells SJ, Ott SL (1998) What is the current milk quality in the USD. Proc. Ann. Mtg. Natl. Mastitis Counc 10.
Yoon JT, Lee JH, Kim CK, Chung YC, Kim CH (2004) Effects of milk production, season, parity and lactation period on variations of milk urea nitrogen concentrations and milk components of Holstein dairy cows. Asian-Australasian Journal of Animal Sciences 17:479-484.
Zadeh-Hossein NG, Ardalan M (2011) Estimation of genetic parameters for milk urea nitrogen and its relationship with milk constituents in Iranian Holsteins. Livestock Science 135:274-281.