[Acatincăi S., Gavojdian D., Stanciu G., Cziszter L.T., Tripon I., Baul S. (2010). Study regarding rumination behavior in cattle – position adopted by cows during rumination process. Sci. Pap. Anim. Sci. Biotechnol., 43: 199–202.]Search in Google Scholar
[Aharoni Y., Brosh A., Harari Y. (2005). Night feeding for high-yielding dairy cows in hot weather: effects on intake, milk yield and energy expenditure. Livest. Prod. Sci., 92: 207–219.]Search in Google Scholar
[Angrecka S., Herbut P. (2017). Eligibility of lying boxes at different THI levels in a freestall barn. Ann. Anim. Sci., 17: 257–269.]Search in Google Scholar
[Armstrong D.V. (1994). Heat stress interaction with shade and cooling. J. Dairy Sci., 77: 2044–2050.]Search in Google Scholar
[Berman A. (2003). Effects of body surface area estimates on predicted energy requirements and heat stress. J. Dairy Sci., 86: 3605–3610.]Search in Google Scholar
[Berman A. (2005). Estimates of heat stress relief needs for Holstein dairy cows. J. Anim. Sci., 83: 1377–1384.]Search in Google Scholar
[Brown-Brandl T.M., Eigenberg R.A., Nienaber J.A., Hahn G.L. (2005). Dynamic response indicators of heat stress in shaded and non-shaded feedlot cattle, Part 1: Analyses of indicators. Biosys. Eng., 90: 451–462.]Search in Google Scholar
[Bryant J.R., Lopez-Villalobos N., Pryce J.E., Holmes C.W., Johnson D.L., Gar-rick D.J. (2007). Environmental sensitivity in New Zealand dairy cattle. J. Dairy Sci., 90: 1538–1547.]Search in Google Scholar
[Chen J.M., Schutz K.E., Tucker C.B. (2015). Cooling cows efficiently with sprinklers: Physiological responses to water spray. J. Dairy Sci., 98: 6925–6938.]Search in Google Scholar
[Costa A.N., Feitosa J.V., Junior P.A., de Souza P.T., de Araujo A.A. (2015 a). Hormonal profiles, physiological parameters, and productive and reproductive performances of Girolando cows in the state of Ceara-Brazil. Int. J. Biometeorol., 59: 231–236.10.1007/s00484-014-0838-024859822]Search in Google Scholar
[Costa A.N., Feitosa J.V., Montezuma P.A.Jr., de Souza P.T., de Araujo A.A. (2015 b). Rectal temperatures, respiratory rates, production, and reproduction performances of cross-bred Girolando cows under heat stress in northeastern Brazil. Int. J. Biometeorol., 59: 1647–1653.10.1007/s00484-015-0971-425702060]Search in Google Scholar
[Dikmen S., Hansen P.J. (2009). Is the temperature-humidity index the best indicator of heat stress in lactating dairy cows in a subtropical environment? J. Dairy Sci., 92: 109–116.]Search in Google Scholar
[Ferrazza R.D., Garcia H.D.M., Aristizabal V.H.V., Nogueira C.D., Verissimo C.J., Sartori J.R., Sartori R., Ferreir J.C.P. (2017). Thermoregulatory responses of Holstein cows exposed to experimentally induced heat stress. J. Therm. Biol., 66: 68–80.]Search in Google Scholar
[Frazzi E., Calamari L., Calegari F., Stefanini L. (2000). Behavior of dairy cows in response to different barn cooling systems. T. Asae, 43: 387–394.]Search in Google Scholar
[Garner J.B., Douglas M., Williams S.R.O., Wales W.J., Marett L.C., Di Giacomo K., Leury B.J., Hayes B.J. (2017). Responses of dairy cows to short-term heat stress in controlled-climate chambers. Anim. Prod. Sci., 57: 1233–1241.]Search in Google Scholar
[Gaughan J.B., Holt S.M., Hahn G.L., Mader T.L., Eigenberg R. (2000). Respiration rate – is it a good measure of heat stress in cattle? Asian Austral. J. Anim., 13: 329–332.]Search in Google Scholar
[Gauly M., Bollwein H., Breves G., Brugemann K., Danicke S., Das G., Deme-ler J., Hansen H., Isselstein J., Konig S., Loholter M., Martinsohn M., Me-yer U., Potthoff M., Sanker C., Schroder B., Wrage N., Meibaum B., von Sam-son-Himmelstjerna G., Stinshoff H., Wrenzycki C. (2013). Future consequences and challenges for dairy cow production systems arising from climate change in Central Europe – a review. Animal, 7: 843–859.]Search in Google Scholar
[Hahn G.L. (1999). Dynamic responses of cattle to thermal heat loads. J. Anim. Sci., 77: 10–20.]Search in Google Scholar
[Heinicke J., Hoffmann G., Ammon C., Amon B., Amon T. (2018). Effects of the daily heat load duration exceeding determined heat load thresholds on activity traits of lactating dairy cows. J. Therm. Biol., 77: 67–74.]Search in Google Scholar
[Hempel S., König M., Menz C., Janke D., Amon B., Banhazi T.M., Estellés F., Amon T. (2018). Uncertainty in the measurement of indoor temperature and humidity in naturally ventilated dairy buildings as influenced by measurement technique and data variability. Biosyst. Eng., 166: 58–75.]Search in Google Scholar
[Herbut P., Angrecka S. (2013). Forecasting heat stress in dairy cattle in selected barn zones with the help of THI and THIadj indexes. Ann. Anim. Sci., 13: 837–848.]Search in Google Scholar
[Herbut P., Angrecka S. (2018 a). Relationship between THI level and dairy cows’ behaviour during summer period. Ita. J. Ani. Sci., 17: 226–233.10.1080/1828051X.2017.1333892]Search in Google Scholar
[Herbut P., Angrecka S. (2018 b). The effect of heat stress on time spent lying by cows in a housing system. Ann. Anim. Sci., 18: 825–833.10.2478/aoas-2018-0018]Search in Google Scholar
[Herbut P., Angrecka S., Nawalany G., Adamczyk K. (2015). Spatial and temporal distribution of temperature, relative humidity and air velocity in a parallel milking parlour during summer period. Ann. Anim. Sci., 15: 517–526.]Search in Google Scholar
[Jackson P., Cockcroft P. (2008). Clinical Examination of Farm Animals. Wiley-Blackwell, 320 pp.]Search in Google Scholar
[Kabuga J.D. (1992). The influence of thermal conditions on rectal temperature, respiration rate and pulse rate of lactating Holstein-Friesian cows in the humid tropics. Int. J. Biometeorol., 36: 146–150.]Search in Google Scholar
[Kadzere C.T., Murphy M.R., Silanikove N., Maltz E. (2002). Heat stress in lactating dairy cows: a review. Livest. Prod. Sci., 77: 59–91.]Search in Google Scholar
[Kendall P.E., Verkerk G.A., Webster J.R., Tucker C.B. (2007). Sprinklers and shade cool cows and reduce insect-avoidance behavior in pasture-based dairy systems. J. Dairy Sci., 90: 3671–3680.]Search in Google Scholar
[Legates J.E., Farthing B.R., Casady R.B., Barrada M.S. (1991). Body temperature and respiratory rate of lactating dairy cattle under field and chamber conditions. J. Dairy Sci., 74: 2491–2500.]Search in Google Scholar
[Moallem U., Altmark G., Lehrer H., Arieli A. (2010). Performance of high-yielding dairy cows supplemented with fat or concentrate under hot and humid climates. J. Dairy Sci., 93: 3192–3202.]Search in Google Scholar
[NRC(1971). A guide to environmental research on animals. Nat. Acad. Sci., Washington, DC.]Search in Google Scholar
[Ominski K.H., Kennedy A.D., Wittenberg K.M., Nia S.A.M. (2002). Physiological and production responses to feeding schedule in lactating dairy cows exposed to short-term, moderate heat stress. J. Dairy Sci., 85: 730–737.]Search in Google Scholar
[Reece W.O., Rowe E.W. (2017). Functional anatomy and physiology of domestic animals. New Jersey, USA, Wiley-Blackwell, 5th ed., 576 pp.]Search in Google Scholar
[Rosenberger G. (1990). Clinical examination of cattle (Die klinische Untersuchung des Rindes). Berlin, Germany, Parey, 3rd ed., 718 pp.]Search in Google Scholar
[Santos J.E.P., Overton M.W. (2001). Diet, feeding practices and housing can reduce lameness in dairy cattle. Proc. Intermountain Nutrition Conference, Utah, USA, pp. 145–161.]Search in Google Scholar
[Santos S.G., Saraiva E.P., Pimenta Filho E.C., Gonzaga Neto S., Fonsêca V.F., Pinheiro A.D., Almeida M.E., de Amorim M.L. (2017). The use of simple physiological and environmental measures to estimate the latent heat transfer in crossbred Holstein cows. Int. J. Biometeorol., 61: 217–225.]Search in Google Scholar
[Schueller L.K., Burfeind O., Heuwieser W. (2014). Impact of heat stress on conception rate of dairy cows in the moderate climate considering different temperature-humidity index thresholds, periods relative to breeding, and heat load indices. Theriogenology, 81: 1050–1057.]Search in Google Scholar
[Schutz K.E., Rogers A.R., Poulouin Y.A., Cox N.R., Tucker C.B. (2010). The amount of shade influences the behavior and physiology of dairy cattle. J. Dairy Sci., 93: 125–133.]Search in Google Scholar
[Soriani N., Panella G., Calamari L. (2013). Rumination time during the summer season and its relationships with metabolic conditions and milk production. J. Dairy Sci., 96: 5082–5094.]Search in Google Scholar
[Spiers D.E., Spain J.N., Sampson J.D., Rhoads R.P. (2004). Use of physiological parameters to predict milk yield and feed intake in heat-stressed dairy cows. J. Therm. Biol., 29: 759–764.]Search in Google Scholar
[Stevens D.G. (1981). A model of respiratory vapor loss in Holstein dairy cattle. Trans. ASAE, 24: 151–158.]Search in Google Scholar
[Tucker C.B., Rogers A.R., Schutz K.E. (2008). Effect of solar radiation on dairy cattle behaviour, use of shade and body temperature in a pasture-based system. Appl. Anim. Behav. Sci., 109: 141–154.]Search in Google Scholar
[Wang X.S., Zhang G.Q., Choi C.Y. (2018). Effect of airflow speed and direction on convective heat transfer of standing and reclining cows. Biosyst. Eng., 167: 87–98.]Search in Google Scholar
[West J.W. (2003). Effects of heat-stress on production in dairy cattle. J. Dairy Sci., 86: 2131–2144.]Search in Google Scholar
[Zimbelman R.B., Collier R.J. (2011). Feeding strategies for high-producing dairy cows during periods of elevated heat and humidity. Proc. Tri-State Dairy Nutrition Conference, Fort Wayne, IN, pp. 111–125.]Search in Google Scholar
