Acknowledgement
The authors are grateful for the support of the farm staff at the Dairy Animals Training and Research Centre, University of Veterinary and Animal Sciences, Lahore, Pakistan.
References
- Kendall PE, Verkerk GA, Webster JR, Tucker CB. Sprinklers and shade cool cows and reduce insect-avoidance behaviour in pasture-based dairy systems. J Dairy Sci 2007;90:3671-80. https://doi.org/10.3168/jds.2006-766
- Chen JM, Schutz KE, Tucker CB. Cooling cows efficiently with water spray: Behavioral, physiological and production responses to sprinkler at feed bunk. J Dairy Sci 2016;99:4607-18. https://doi.org/10.3168/jds.2015-10714
- Tresoldi G, Schutz KE, Tucker CB. Cooling cows with sprinklers: Effects of soaker flow rate and timing on behavioral and physiological responses to heat load and production. J Dairy Sci 2019;102:528-38. https://doi.org/10.3168/jds.2018-14962
- Bah M, Rashid MA, Javed K, Pasha TN, Shahid MQ. Effects of sprinkler flow rate on physiological, behavioral and production responses of Nili Ravi buffaloes during subtropical summer. Animals 2021;11:339. https://doi.org/10.3390/ani11020339
- VanderZaag AC, Burtt S, Verge X, et al. Case Study: Water budget of a dairy farm with a tie-stall barn for milk cows and summer pasturing of heifers and dry cows. Prof Anim Sci 2018;34:108-17. https://doi.org/10.15232/pas.2017-01654
- Honig H, Miron J, Lehrer H, et al. Performance and welfare of high-yielding dairy cows subjected to 5 or 8 cooling sessions daily under hot and humid climate. J Dairy Sci 2012;95:3736-42. https://doi.org/10.3168/jds.2011-5054
- Tresoldi G, Schutz KE, Tucker CB. Cooling cows with sprinklers: Spray duration affects physiological responses to heat load. J Dairy Sci 2018;101:4412-23. https://doi.org/10.3168/jds.2017-13806
- Chen JM, Schutz KE, Tucker CB. Cooling cows efficiently with sprinklers: Physiological responses to water spray. J Dairy Sci 2015;98:6925-38. https://doi.org/10.3168/jds.2015-9434
- Mustafa D, Akhter M, Nasrallah N. Understanding Pakistan's water-security nexus. United States Institute of Peace; 2013. Report No.: Peaceworks No. 88. Available from: https://www.usip.org/publications/2013/05/understanding-pakistanswater-security-nexus
- Taylor RG, Scanlon B, Doll P, et al. Groundwater and climate change. Nat Clim Change 2013;3:322-9. https://doi.org/10.1038/nclimate1744
- Bah M, Javed K, Pasha TN, Shahid MQ. Sprinkler flow rate affects physiological, behavioural and production responses of Holstein cows during heat stress. S Afr J Anim Sci 2021; 51:560-5. https://doi.org/10.4314/sajas.v51i5.2
- Kelly CF, Bond TE. Bioclimatic factors and their measurement. A guide to environmental research on animals. National Research Council, ed. Washington, DC, USA: National Academies Press; 1971. pp. 7-92.
- Hughes J. A system for assessing cow cleanliness. In Practice 2001;23:517-24. https://doi.org/10.1136/inpract.23.9.517
- Becker CA, Aghalari A, Marufuzzaman M, Stone AE. Predicting dairy cattle heat stress using machine learning techniques. J Dairy Sci 2021;104:501-24. https://doi.org/10.3168/jds.2020-18653
- Butt MA, Bhatti JA, Khalique A, Shahid MQ. Effect of fans and showers on the physiological measures and reproductive performance of Holstein Friesian bulls during subtropical summer. Trop Anim Health Prod 2020;52:1991-2000. https://doi.org/10.1007/s11250-020-02221-w
- Allen JD, Hall LW, Collier RJ, Smith JF. Effect of core body temperature, time of day, and climate conditions on behavioral patterns of lactating dairy cows experiencing mild to moderate heat stress. J Dairy Sci 2015;98:118-27. https://doi.org/10.3168/jds.2013-7704
- Polsky L, von Keyserlingk MAG. Invited review: Effects of heat stress on dairy cattle welfare. J Dairy Sci 2017;100: 8645-57. https://doi.org/10.3168/jds.2017-12651
- Means SL, Bucklin RA, Nordstedt RA, et al. Water application rates for a sprinkler and fan cooling system in hot, humid climates. Appl Eng Agric 1992;8:375-9. https://doi.org/10.13031/2013.26080
- Wheelock JB, Rhoads RP, VanBaale MJ, Sanders SR, Baumgard LH. Effects of heat stress on energetic metabolism in lactating Holstein cows. J Dairy Sci 2010;93:644-55. https://doi.org/10.3168/jds.2009-2295
- Baumgard LH, Rhoads RP. Ruminant nutrition symposium: Ruminant production and metabolic responses to heat stress. J Anim Sci 2012;90:1855-65. https://doi.org/10.2527/jas.2011-4675
- Smith DL, Smith T, Rude BJ, Ward SH. Comparison of the effects of heat stress on milk and component yields and somatic cell score in Holstein and Jersey cows. J Dairy Sci 2013;96:3028-33. https://doi.org/10.3168/jds.2012-5737
- Cook NB, Mentink RL, Bennett TB, Burgi K. The effect of heat stress and lameness on time budgets of lactating dairy cows. J Dairy Sci 2007;90:1674-82. https://doi.org/10.3168/jds.2006-634
- Schutz, KE, Rogers AR, Cox NR, Webster JR, Tucker CB. Dairy cattle prefer shade over sprinklers: Effects on behavior and physiology. J Dairy Sci 2011;94:273-83. https://doi.org/10.3168/jds.2010-3608
- Kim WS, Lee JS, Jeon SW, et al. Correlation between blood, physiological and behavioral parameters in beef calves under heat stress. Asian-Australas J Anim Sci 2018;31:919-25. https://doi.org/10.5713/ajas.17.0545
- Yoshida C, Nakao T. Response of plasma cortisol and progesterone after ACTH challenge in ovariectomized lactating dairy cows. J Reprod Dev 2005;51:99-107. https://doi.org/10.1262/jrd.51.99