Diminishing Water-Intake may have Pragmatic Aspects in Lambs Fed on Pelleted Complete Diet and Reared under Thermo-Neutral Condition
Abstract
Some basic questions regarding sheep’s ability to tolerate different levels of water intake (WI), especially when fed on a pelleted-complete diet (PCD) and reared under comfortable climatic conditions, are still open. To investigate the direct influence of different levels of WI in sheep fed PCD and reared under such conditions on the lambs' physiological (performance, thermal, blood and urine) status, 24 healthy male growing Najdi lambs were exposed under thermo-neutral conditions to three levels of WI (100%, 67%, and 33% of their ad libitum WI or water requirement) for 6 weeks. Meteorological, production performance, thermo-physiological, as well as blood and urine biochemical measurements, were all determined. The obtained findings clearly substantiate that reducing the level of water intake (p<0.05) produced tangible effects in both 67-WI and 33-WI lamb groups. However, 67-WI lambs showed resilience to limited water availability by inducing proportional physiological responses in their production performances, body temperatures, blood metabolites, and renal function but within the homeostatic ranges similar (p>0.05) to 100-WI lambs. Results collectively signify that diminishing WI up to 33% in lambs (fed on PCD and reared under comfortable conditions) would ensure that water is adequately conserved under prevailing water scarcity and can be implemented without compromising their homeostatic functions. Such applied approaches can consequently have a pragmatic aspect through improving water management approaches required for PCD-based sheep production under water scarcity conditions, which is crucial to economical animal production and responsible animal stewardship. Feasibility studies are thereby highly recommended.
References
Adeniji, Y. A., M. O. Sanni, K. A. Abdoun, E. M. Samara, M. A. Al-Badwi, M. A. Bahadi, I. A. Alhidary, & A. A. Al-Haidary. 2020. Resilience of lambs to limited water availability without compromising their production performance. Animals 10:1491. https://doi.org/10.3390/ani10091491
Akinmoladun, O. F., V. Muchenje, & F. N. Fon. 2019. Small ruminants: Farmers’ hope in a world threatened by water scarcity. Animals 9:456. https://doi.org/10.3390/ani9070456
Alamer, M. 2010. Effect of water restriction on thermoregulation and some biochemical constituents in lactating Aardi goats during got weather conditions. Scientific Journal King Faisal University (Basic and Applied Sciences) 11:189-205.
Al-Haidary, A. A., R. S. Aljumaah, M. A. Alshaikh, K. A. Abdoun, E. M. Samara, A. B. Okab, & M. M. Alfuraiji. 2012. Thermoregulatory and physiological responses of Najdi sheep exposed to environmental heat load prevailing in Saudi Arabia. Pak. Vet. J. 32:515-519.
Al-Ramamneh, D., A. Riek, & M. Gerken. 2012. Effect of water restriction on drinking behaviour and water intake in German black-head mutton sheep and Boer goats. Animals 6:173-8. https://doi.org/10.1017/S1751731111001431
Casamassima, D., F. Vizzarri, M. Nardoia, & M. Palazzo. 2016. The effect of water restriction on various physiological variables in intensively reared Lacaune ewes. Vet. Med. 61:623–634. https://doi.org/10.17221/144/2015-VETMED
da Silva, R. G. & A. S. Maia. 2013. Principles of Animal Biometeorology. Springer, New York (NY). https://doi.org/10.1007/978-94-007-5733-2
De, K., D. Kumar, S. Sharma, P. Kumawat, A. Mohapatra, & A. Sahoo. 2020. Effect of drinking earthen pot water on physiological response and behavior of sheep under heat stress. J. Therm. Biol. 87:102476. https://doi.org/10.1016/j.jtherbio.2019.102476
De, K., D. Kumar, A. K. Singh, K. Kumar, A. Sahoo, & S. M. K. Naqvi. 2015. Resilience of Malpura ewes on water restriction and rehydration during summer under semi-arid tropical climatic conditions. Small Rumin. Res. 133:123-127. https://doi.org/10.1016/j.smallrumres.2015.09.004
Igbokwe, I. O. 1993. Haemoconcentration in Yankassa sheep exposed to prolonged water deprivation. Small Rumin. Res. 12:99-105. https://doi.org/10.1016/0921-4488(93)90042-G
Jaber, L.S., A. Habre, N. Rawda, M. A. Said, E. K. Barbour, & S. Hamadeh. 2004. The effect of water restriction on certain physiological parameters in Awassi sheep. Small Rumin. Res. 54:115-120. https://doi.org/10.1016/j.smallrumres.2003.11.004
Kaliber, M., N. Koluman, & N. Silanikove. 2016. Physiological and behavioral basis for the successful adaptation of goats to severe water restriction under hot environmental conditions. Animals 10:82-88. https://doi.org/10.1017/S1751731115001652
Kelly, C. F. & T. E. Bond. 1971. Bioclimatic Factors and Their Measurement: A guide to Environmental Research on Animals. Washington, DC; Natl Acad Sci.
Kumar, D., K. De, A. K. Singh, K. Kumar, A. Sahoo, & S. M. K. Naqvi. 2016. Effect of water restriction on physiological responses and certain reproductive traits of Malpura ewes in a semiarid tropical environment. J. Vet. Behav. 12:54-59. https://doi.org/10.1016/j.jveb.2015.11.006
Napoli, C., B. Wise, D. Wogan, & L. Yaseen. 2016. Policy Options for Reducing Water for Agriculture in Saudi Arabia; The King Abdullah Petroleum Studies and Research Center (KAPSARC). Saudi Arabia. [2020 May 10]. Accessible at: https://www.kapsarc.org/wp-content/uploads/2016/04/KS-1630-DP024A-Policy-Options-for-Reducing-Water-for-Agriculture-in-SA.pdf (Internet article).
Naqvi, S. M. K., D. Kalyan, D. Kumar, & V. Sejian. 2017. Climate Changes, Water Use and Survival During Severe Water Deprivation. In: Sejian, V., R. Bhatta, J. Gaughan, P. K. Malik, S. M. K. Naqvi, & R. Lal (Editors). Sheep Production Adapting to Climate Change. Singapore; Springer. pp. 1-441. https://doi.org/10.1007/978-981-10-4714-5
National Research Council – NRC. 2007. Nutrient Requirements of Small Ruminants: Sheep, Goats, Cervids, and New World Camelids. Washington DC. Accessible at: https://nap.nationalacademies.org/catalog/11654/nutrient-requirements-of-small-ruminants-sheep-goats-cervids-and-new
Radostits, O. M., C. C. Gay, D. C. Blood, & K. W. Hinchcliff. 2000. Veterinary Medicine. 9th ed. London; Saunders. p. 1819-1822.
Rout, P. K., R. Kaushik, N. Ramachandran, & S. K. Jindal. 2017. Identification of heat stress susceptible and tolerant phenotypes in goats in semiarid tropics. Anim. Prod. Sci. 58:1349-1357. https://doi.org/10.1071/AN15818
Saini, B. S., N. Kataria, A. K. Kataria, & L. N. Sankhala. 2013. Dehydration stress associated variations in rectal temperature, pulse and respiration rate of Marwari sheep. J. Stress Physiol. Biochem. 9:15-20.
Samara, E. M., K. A. Abdoun, A. B. Okab, M. A. Al-Badwi, M. F. El-Zarei, A. M. Al-Seaf, & A. A. Al-Haidary. 2016. Assessment of heat tolerance and production performance of Aardi, Damascus, and their crossbred goats. Int. J. Biometeorol. 60:1377-1387. https://doi.org/10.1007/s00484-015-1131-6
Sejian, V. 2013. Climate change: impact on production and reproduction, adaptation mechanisms and mitigation strategies in small ruminants: A review. The Indian of Journal of Small Ruminants 19:1-21.
Silanikove, N. & A. Tadmor. 1989. Rumen volume, saliva flow rate, and systemic fluid homeostasis in dehydrated cattle. Am. J. Physiol. Regul. Integr. Comp. Physiol. 256:R809-R815. https://doi.org/10.1152/ajpregu.1989.256.4.R809
Weiner, I. D., W. E. Mitch, & J. M. Sands. 2015. Urea and ammonia metabolism and the control of renal nitrogen excretion. Clin. J. Am. Soc. Nephrol. 10:1444-1458. https://doi.org/10.2215/CJN.10311013
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