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WATER IN PIG NUTRITION: PHYSIOLOGY, ALLOWANCES AND ENVIRONMENTAL IMPLICATIONS

Published online by Cambridge University Press:  14 December 2007

ZDZISLAW MROZ
Affiliation:
Institute for Animal Science and Health (ID-DLO), Lelystad, P.O. Box 160, 8200 AD Lelystad, The Netherlands
AGE W JONGBLOED
Affiliation:
Institute for Animal Science and Health (ID-DLO), Lelystad, P.O. Box 160, 8200 AD Lelystad, The Netherlands
NICO P LENIS
Affiliation:
Institute for Animal Science and Health (ID-DLO), Lelystad, P.O. Box 160, 8200 AD Lelystad, The Netherlands
KAREL VREMAN
Affiliation:
Institute for Animal Science and Health (ID-DLO), Lelystad, P.O. Box 160, 8200 AD Lelystad, The Netherlands
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Abstract

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Type
Research Article
Copyright
Copyright © The Nutrition Society 1995

References

1Aarnink, A. J. A. (1991). [Mathematical model for the water requirements of growing pigs.] Instituut voor Mechanisatie, Arbeid en Gebouwen, Rapport no. 8, p. 41.Google Scholar
2Aarnink, A. J. A. & Van Ouwerkerk, E. N. J. (1990). [Computer model for estimating the volume and composition of pig manure.] Instituut voor Mechanisatie, Arbeid en Gebouwen, Rapport no. 229.Google Scholar
3Agricultural Research Council (1981). The Nutrient Requirements of Pigs. Farnham Royal: Commonwealth Agricultural Bureaux.Google Scholar
4Ahn, D. U., Patience, J. F., Fortin, A. & McCurdy, A. (1992). The influence of pre-slaughter oral loading of acid or base on post-mortem changes in Longissimus dorsi muscle of pork. Meat Science 32, 6579.CrossRefGoogle ScholarPubMed
5Anderson, C. R. & Houpt, T. R. (1990). Hypertonic and hypovolemic stimulation of thirst in pigs. American Journal of Physiology 258, R149–R154.Google ScholarPubMed
6Argenzio, R. A. (1984). Intestinal transport of electrolytes and water. In Dukes' Physiology of Domestic Animals, pp. 311326 [ M. J., Swenson, editor]. Ithaca, NY: Cornell University Press.Google Scholar
7Aumaitre, A. (1965). [Water requirement of piglets.]. Zeitschrift für Tierphysiologie, Tierernährung und Futtermittelkunde 20, 209217.CrossRefGoogle Scholar
8Austic, R. E., Boyd, R. D., Klasing, K. C. & Riley, W. W. (1983). Effect of dietary electrolyte balance on growth performance in swine. Journal of Animal Science 57, 236 (Abstract).Google Scholar
9Austic, R. E. & Patience, J. F. (1988). Undetermined anion in poultry diets: influence on acid-base balance, metabolism and physiological performance. Critical Reviews in Poultry Biology 1, 315345.Google Scholar
10Bailey, M. (1990). The water requirements of poultry. In Recent Advances in Animal Nutrition – 1990, pp. 161176 [ W., Haresign & D. J. A., Cole, editors]. London: Butterworths.CrossRefGoogle Scholar
11Barber, J. (1993). The rationalisation of drinking water supplies for pig housing. PhD Thesis, Plymouth Polytechnic & Seale-Hayne College, Newton Abbot, Devon.Google Scholar
12Barber, J., Brooks, P. H. & Carpenter, J. L. (1989). The effects of water delivery rate on the voluntary food intake, water use and performance of early-weaned pigs from 3 to 6 weeks of age. In The Voluntary Food Intake of Pigs (BSAP Occasional Publication no. 13), pp. 103104 [ J. M., Forbes, M. A, Varley & T. L. J, Lawrence, editors]. British Society of Animal Production.Google Scholar
13Bauer, W. (1982). [Consumption of drinking water by non-pregnant, highly pregnant and lactating gilts.] Archiv für Experimentelle Veterinärmedizin 36, 823827.Google Scholar
14Bigelow, J. A. & Houpt, T. R. (1988). Feeding and drinking patterns in young pigs. Physiology and Behavior 43, 99109.CrossRefGoogle ScholarPubMed
15Brooks, P. H. & Carpenter, J. L. (1990). The water requirement of growing-finishing pigs – theoretical and practical considerations. In Recent Advances in Animal Nutrition – 1990, pp. 115136 [ W, Haresign & Cole, D. J. A., editors]. London: Butterworths.CrossRefGoogle Scholar
16Brooks, P. H., Carpenter, J. L., Barber, J. & Gill, B. P. (1989). Production and welfare problems relating to the supply of water to growing–finishing pigs. Pig Veterinary Journal 23, 5166.Google Scholar
17Brooks, P. H., Russell, S. J. & Carpenter, J. L. (1984). Water intake of weaned piglets from three to seven weeks old. Veterinary Record 115, 513515.CrossRefGoogle ScholarPubMed
18Cai, Y. J. & Zimmerman, D. R. (1992). Acid-base balance effect on plasma urea N (PUN) and forms of N excretion and water intake effect on PUN in finishing pigs. Journal of Animal Science 69, Suppl. 1, p. 363 (Abstract).Google Scholar
19Castle, E. J. & Castle, M. E. (1956). The rate of passage of food through the alimentary tract of pigs. Journal of Agricultural Science 47, 196203.CrossRefGoogle Scholar
20 Centraal Veevoederbureau (1993). [Standards.] In Handboek voor de varkenshouderij, pp. 270300. The Netherlands: Voeding.Google Scholar
21Chan, J. C. M. (1974). The influence of dietary intake on endogenous acid production. Theoretical and experimental background. Nutrition and Metabolism 16, 19.CrossRefGoogle ScholarPubMed
22Chang, E. B. & Rao, M. C. (1994). Intestinal water and electrolyte transport. Mechanisms of physiological and adaptive responses. In Physiology of the Gastrointestinal Tract, 3rd edn, pp. 20272075 [ L. R., Johnson, editor]. New York: Raven Press.Google Scholar
23Charney, A. N. & Feldman, G. M. (1989). Internal exchange of hydrogen ions: gastrointestinal tract. In The Regulation of Acid-Base Balance, pp. 89105 [ D. W., Seldin & G., Giebisch, editors]. New York: Raven Press.Google Scholar
24Chew, R. M. (1965). Water metabolism of mammals. In Physiological Mammalogy, vol. 2, Mammalian Reactions to Stressful Environments, pp. 43178 [ W. V., Mayer & R. G., Van Gelder, editors]. New York: Academic Press.CrossRefGoogle Scholar
25Close, W. H., Berschauer, F. & Heavens, R. P. (1983). The influence of protein: energy value of the ration and level of feed intake on the energy and nitrogen metabolism of the growing pig. 1. Energy metabolism. British Journal of Nutrition 49, 255269.CrossRefGoogle ScholarPubMed
26Cronin, G. M., van Tartwijk, J. M. F. M., van der Hel, W. & Verstegen, M. W. A. (1986). The influence of degree of adaptation to tether-housing by sows in relation to behaviour and energy metabolism. Animal Production 42, 257268.Google Scholar
27Cumby, T. R., Phillips, V. R. & Clarkson, C. R. (1993). Farm scale approaches to manure treatment. Misset-Pigs 9, 1213.Google Scholar
28Cunningham, H. & Friend, D. W. (1966). Effects of water restriction on nitrogen retention and carcass composition of pigs. Journal of Animal Science 25, 663667.CrossRefGoogle ScholarPubMed
29De Ruyter, A. A. M. (1984). Minimale water/voer verhouding bij mestvarkens. Report CHV. Veghel, The Netherlands.Google Scholar
30Desmoulin, B. (1978). [Study of body composition of pigs. Scientific and technical applications.] Journées de la Recherche Porcine en France 7, 211234.Google Scholar
31Diblik, T. (1986). [The effect of type of drinker on the amount of water drunk by sows.] Živočišná Výroba 31, 10291036.Google Scholar
32Dubreuil, P., Farmer, Ch., Couture, Y. & Petitclerc, D. (1993). Hematological and biochemical changes following an acute stress in control and somatostation-immunized pigs. Canadian Journal of Animal Science 73, 241252.CrossRefGoogle Scholar
33Dwyer, J., Foulkes, E., Evans, M. & Ausman, L. (1985). Acid/alkaline ash diets: time for assessment and change. Journal of the American Dietetic Association 85, 841845.CrossRefGoogle ScholarPubMed
34Emmett, M. & Seldin, D. W. (1989). Evaluation of acid-base disorders from plasma composition. In The Regulation of Acid-Base Balance, pp. 213263 [ D. W., Seldin & G., Giebisch, editors]. New York, Raven Press.Google Scholar
35Fraser, D., Patience, J. F., Phillips, P. A. & McLeese, J. M. (1990). Water for piglets and lactating sows: quantity, quality and quandaries. In Recent Advances in Animal Nutrition–1990, pp. 137160 [ W, Haresign & D. J. A., Cole, editors]. London: Butterworths.CrossRefGoogle Scholar
36Fraser, D. & Phillips, P. A. (1989). Lethargy and low water intake by sows during early lactation: a cause of low piglet weight gains and survival? Applied Animal Behaviour Science 24, 1322.CrossRefGoogle Scholar
37Fraser, D., Phillips, P. A., Thompson, B. K. & Peeters Weem, W. B. (1988). Use of water by piglets in the first days after birth. Canadian Journal of Animal Science 68, 603610.CrossRefGoogle Scholar
38Frémaut, D. (1992). [A study of the requirements for amino acids of Belgian growing pigs (20–60 kg body weight) in relation to production and environment.] PhD Thesis, Katholieke Universiteit, Leuven, Belgium.Google Scholar
39Frémaut, D. & De Schrijver, R. (1991). [Effect of lowering the crude protein concentration in the diet of pigs on the composition of the manure.] Studiedag der Nederlandstalige Voedingsonderzoekers 16, 7172.Google Scholar
40Friend, D. W. (1971). Self-selection of feeds and water by swine during pregnancy and lactation. Journal of Animal Science 32, 658666.CrossRefGoogle ScholarPubMed
41Friend, D. W. (1973). Self-selection of feeds and water by unbred gilts. Journal of Animal Science 37, 11371141.CrossRefGoogle ScholarPubMed
42Friend, D. W. & Cunningham, H. M. (1966). The effect of water consumption on the growth, feed intake, and carcass composition of suckling piglets. Canadian Journal of Animal Science 46, 203209.CrossRefGoogle Scholar
43Friend, D. W. & Wolynetz, M. S. (1981). Self-selection of salt by gilts during pregnancy and lactation. Canadian Journal of Animal Science 61, 429438.CrossRefGoogle Scholar
44Fullarton, P. J., Cullin, A. W. R. & Van den Broecke, J. (1992). Dietary manipulation of nitrogen excretion and slurry volume from pigs. In Nitrate and Farming Systems (Aspects of Applied Biology vol. 30), pp. 145148 [ J. R., Archer et al. , editors]. Wellesbourne: Association of Applied Biologists.Google Scholar
45Gill, B. P. (1989). Water use by pigs managed under various conditions of housing, feeding and nutrition. PhD Thesis, Polytechnic of the South West, Plymouth.Google Scholar
46Gill, B. P. & Barber, J. (1993). Circadian patterns of water use by growing pigs. In Livestock Environment IV. Fourth International Symposium, University of Warwick, pp. 5663 [ E., Collins & C., Boon, editors]. St Joseph, MI: American Society of Agricultural Engineers.Google Scholar
47Gill, B. P., Brooks, P. H. & Carpenter, J. L. (1988). Water use by lactating sows. Animal Production 46, 520 (Abstract).Google Scholar
48Greutink, T. (1993). [A look at the volume of dung.] INFO-Bulletin Varkenshouderij 2, 1420.Google Scholar
49Gürtler, H., Ketz, H. A., Kolb, E., Schröder, L. & Seidel, H. (1989). [The physiology of body fluids.] In Lehrbuch der Physiologie der Haustiere, pp. 370403 [ E, Kolb, editor]. Jena: VEB Gustav Fischer Verlag.Google Scholar
50Hagsten, I. & Perry, T. W. (1976). Evaluation of dietary salt levels for swine. I. Effect on gain, water consumption and efficiency of feed conversion. Journal of Animal Science 42, 11871190.CrossRefGoogle ScholarPubMed
51Hannon, J. P., Bossone, C. A. & Wade, C. E. (1990). Normal physiological values for conscious pigs used in biomedical research. Laboratory Animal Science 40, 293298.Google ScholarPubMed
52Harper, H. A. (1973). Review of Physiological Chemistry, 14th edn. Los Altos, CA: Lange Medical Publications.Google Scholar
53Haydon, K. D. & West, J. W. (1990). Effect of dietary electrolyte balance on nutrient digestibility determined at the end of the small intestine and over the total digestive tract in growing pigs. Journal of Animal Science 68, 36873693.CrossRefGoogle ScholarPubMed
54Hilliger, H. G. (1986). [Water requirements for drinking and cleaning in animal husbandry.] Deutsche Tierärztliche Wochenschrift 93, 281344.Google Scholar
55Hoffmann, W. E. (1981). A partial list of normal values. In Current Veterinary Therapy. Food, Animal, Practice, pp. 11681169. London: J. L. Howard & W. B. Saunders Company.Google Scholar
56Holme, D. W. & Robinson, K. L. (1965). A study of water allowances for the bacon pig. Animal Production 7, 377384.Google Scholar
57Honeyfield, D. C. & Froseth, J. A. (1985). Effects of dietary sodium and chloride on growth, efficiency of feed utilization, plasma electrolytes and plasma basic amino acids in young pigs. Journal of Nutrition 115, 13661371.CrossRefGoogle ScholarPubMed
58Houpt, T. R. & Anderson, C. R. (1990). Spontaneous drinking: is it stimulated by hypertonicity or hypovolemia? American Journal of Physiology 258, R143–R148.Google ScholarPubMed
59Houpt, T. R., Weixler, L. C. & Troy, D. W. (1986). Water drinking induced by gastric secretagogues in pigs. American Journal of Physiology 251, R157–R164.Google ScholarPubMed
60Jones, S. D. M., Rompala, R. E. & Haworth, C. R. (1985). Effect of fasting and water restriction on carcass shrink and pork quality. Canadian Journal of Animal Science 65, 613618.CrossRefGoogle Scholar
61Jongbloed, A. W. (1987). Phosphorus in the feeding of pigs. PhD Thesis, University of Wageningen, The Netherlands.Google Scholar
62Jongbloed, A. W., Koomans, P., Van der Valk, P. C. & Rozemond, P. (1978). [Report of the study committee on feed and drinking water supply for pigs.] Instituut voor Veevoedingsonderzoek (IVVO), Lelystad, Rapport no. 126.Google Scholar
63Koolhaas, J. M., Baumans, V., Blom, H. J. M., Von Holst, D., Timmermans, P. J. A. & Wiepkema, P. R. (1993). Behaviour, stress and well-being. In Principles of Laboratory Animal Science, pp. 7599 [ L. F. M., van Zutphen, V., Baumans & A. C., Beynen, editors]. Amsterdam: Elsevier.Google Scholar
64Kornegay, E. T. & Vander Noot, G. W. (1968). Performance, digestibility of diet constituents and N-retention of swine fed diets with added water. Journal of Animal Science 27, 13071312.CrossRefGoogle Scholar
65Kuperus, W. (1988). [Water intake by pregnant and lactating sows.] Pig Experimental Station Raalte, Report.Google Scholar
66Larvor, P. (1983). Minerals: water; potassium, sodium and chloride. In Dynamic Biochemistry of Animal Production (World Animal Science A3), pp. 281295 [ P. M., Riis, editor]. Amsterdam: Elsevier.Google Scholar
67Laski, M. E. & Kurtzman, N. A. (1989). Evaluation of acid-base disorders from the urine. In The Regulation of Acid-Base Balance, pp. 265283 [ D. W., Seldin & G., Giebisch, editors]. New York: Raven Press.Google Scholar
68Lightfoot, A. L. & Armsby, A. W. (1984). Water consumption and slurry production of dry and lactating sows. Animal Production 38, 541 (Abstract).Google Scholar
69Low, A. G. (1989). Research into the digestive physiology of pigs. In Nutrition and Digestive Physiology in Monogastric Farm Animals, pp. 115 [ E. J., van Weerden & J., Huisman, editors]. Wageningen: Pudoc.Google Scholar
70MacFarlane, W. V. (1976). Water and electrolytes in domestic animals. In Veterinary Physiology, pp. 463539 [ J. W., Phillis, editor]. Bristol: Wright-Scientechnica.Google Scholar
271Madec, F. (1984). Urinary disorders in intensive pig herds. Pig News and Information 5, 8993.Google Scholar
72Madec, F., Chariolet, R. & Dantzer, R. (1986). Relevance of some behavioural criteria concerning the sow (motor activity and water intake) in intensive pig farming and veterinary practice. Annales de Recherches Vétérinaires 17, 177184.Google ScholarPubMed
73Madubuike, F. N. (1980). Nutritional interrelationships of minerals and basic amino acids in growing pigs. PhD Thesis, Cornell University, Ithaca, New York, USA.Google Scholar
74Miller, E. R., Ku, P. K., Combs, N. R. & Ullrey, D. E. (1984). Continued studies of the lysine sparing potential of organic salts of potassium in swine diets. Journal of Animal Science 59, 96 (Abstract).Google Scholar
75Moughan, P. J. & Smith, W. C. (1984). The effect of the dietary Na++K+−Cl balance on the short-term energy and nitrogen metabolism of the growing pig. Journal of the Science of Food and Agriculture 35, 11831185.CrossRefGoogle Scholar
76Mount, L. E., Holmes, C. W., Close, W. H., Morrison, S. R. & Start, I. B. (1971). A note on the consumption of water by the growing pig at several environmental temperatures and levels of feeding. Animal Production 13, 561563.Google Scholar
77Mroz, Z., Jongbloed, A. W., Van Diepen, J. Th. M., Vreman, K., Kemme, P. A., Jongbloed, R., Lenis, N. P. & Kogut, J. (1995). Preliminary studies on excretory and physiological consequences of reducing drinking water and dietary protein supply for non-pregnant sows. ID-DLO Report, Institute for Animal Science and Health, Lelystad, The Netherlands.Google Scholar
78Mroz, Z., Partridge, I. G., Mitchell, G. & Keal, H. D. (1986). The effect of oat hulls, added to the basal ration for pregnant sows, on reproductive performance, apparent digestibility, rate of passage and plasma parameters. Journal of the Science of Food and Agriculture 37, 239247.CrossRefGoogle Scholar
79Mroz, Z. & Tarkowski, A. (1991). The effects of the dietary inclusion of sida meal (Malvaceae) for gilts on the reproductive performance, apparent digestibility, rate of passage and plasma parameters. Livestock Production Science 27, 199210.CrossRefGoogle Scholar
80Nagai, M., Hachimura, K. & Takahashi, K. (1994). Water consumption in suckling pigs. Journal of Veterinary Medical Science 56, 181183.CrossRefGoogle ScholarPubMed
81 National Research Council (1988). Nutrient Requirements of Swine. 9th rev. edn. Washington, DC: National Academy Press.Google Scholar
82Parrott, R. F. & Misson, B. H. (1989). Changes in pig salivary cortisol in response to transport simulation, food and water deprivation, and mixing. British Veterinary Journal 145, 501505.CrossRefGoogle ScholarPubMed
83Patience, J. F. (1989 a). The physiological basis of electrolytes in animal nutrition. In Recent Advances in Animal Nutrition – 1989, pp. 211228 [ W., Haresign & D. J. A., Cole, editors]. London: Butterworths.CrossRefGoogle Scholar
84Patience, J. F. (1989 b). Water quality and quantity: importance in animal and poultry production. In Proceedings, Alltech's Fifth Annual Symposium, pp. 121138 [ T. P., Lyons, editor]. Nicholasville, KY: Alltech Technical Publications.Google Scholar
85Patience, J. F., Austic, R. E. & Boyd, R. D. (1986). The effect of sodium bicarbonate or potassium bicarbonate on acid-base status and protein and energy digestibility in swine. Nutrition Research 6, 263273.CrossRefGoogle Scholar
86Patience, J. F., Austic, R. E. & Boyd, R. D. (1987). Effect of dietary electrolyte balance on growth and acid-base status in swine. Journal of Animal Science 64, 457466.CrossRefGoogle ScholarPubMed
87Pfeiffer, A. M. (1991). [Effects of reduced protein intake on nitrogen and water balance and feed conversion efficiency in growing pigs.] PhD Thesis, Christian-Albrechts-Universität, Kiel, Germany.Google Scholar
88Pfeiffer, A. M. & Henkel, H. (1990). The effect of different dietary protein levels on water intake and water excretion of growing pigs. In Digestive Physiology in Pigs (EAAP Publication no. 54), pp. 126131 [ M. W. A., Verstegen., J., Huisman & L. A., den Hartog, editors]. Wageningen: Pudoc.Google Scholar
89Pollmann, D. S., Danielson, D. M. & Peo, E. R. (1979). Value of high fiber diets for gravid swine. Journal of Animal Science 48, 13851393.CrossRefGoogle ScholarPubMed
90Randall, H. T. (1988). Water, electrolytes, and acid-base balance. In Modern Nutrition in Health and Disease, pp. 108141 [ Shils, M. E. & V. R., Young, editors]. Philadelphia pA: Lea & Febiger.Google Scholar
91Remer, T.&Manz, F. (1993). The bioavailability of minerals and organically bound sulfur from foods as an important determinant of renal net acid excretion. In Bioavailability '93: Nutritional, Chemical and Food Processing Implications of Nutrient Availability, pp. 210214 [ U., Schlemmer, editor]. Ettlingen, Germany: Bundesforschungsanstalt für Ernährung.Google Scholar
92Rose, B. D. (1989). Clinical Physiology of Acid-Base and Electrolyte Disorders. New YorkMcGraw-Hill.Google Scholar
93Sabatini, S. & Kurtzman, N. A. (1989). Overall acid-base regulation by the kidney. In The Regulation of Acid-Base Balance, pp. 185210 [ D. W., Seldin & G., Giebisch, editors]. New York: Raven Press.Google Scholar
94Salmon-Legagneur, E., Gayral, J. P., Leveau, J. M. & Rettagliatti, J. (1973). [Study of several parameters of variation in the composition of piggery effluents.] Journées de la Recherche Porcine en France 10, 285293.Google Scholar
95Schellekens, J. (1993).[Through rational water management: 4 m3 of manure less per sow per year.] INFO-Bulletin Varkenshouderij 3, 1218.Google Scholar
96Schmidt-Nielsen, B., O'Dell, R. & Osaki, H. (1961). Interdependence of urea and electrolytes in production of a concentrated urine. American Journal of Physiology 200, 11251132.CrossRefGoogle ScholarPubMed
97Scott, D. (1971). Renal excretion of acid and base in the pig. Quarterly Journal of Experimental Physiology 56, 169177.CrossRefGoogle ScholarPubMed
98Scott, D. & McIntosh, G. H. (1975). Changes in blood composition and in urinary mineral excretion in the pig in response to acute acid-base disturbance. Quarterly Journal of Experimental Physiology 60, 131140.CrossRefGoogle ScholarPubMed
99Seynaeve, M. & De Wilde, R. (1993). [Effect of low salt level in the diet on water intake by lactating sows.] Studiedag der Nederlandstalige Voedingsonderzoekers 18,2.Google Scholar
100Sinclair, R. D. (1939). The salt requirement of growing pigs. Scientific Agriculture 20, 109119.Google Scholar
101Spoelstra, S. F. (1978). Microbial aspects of the formation of malodorous compounds in anaerobically stored piggery wastes. PhD Thesis, Agricultural University of Wageningen.Google Scholar
102Stockill, P. (1990). Water: why it should not be the neglected nutrient for pigs. Feed International October, 10–18.Google Scholar
103Tamminga, S. & Verstegen, M. W. A. (1992). Implications of nutrition of animals on environmental pollution. In Recent Advances in Animal Nutrition – 1992, pp. 113130 [ P. C., Garnsworthy, W., Haresign & D. J. A., Cole, editors]. London: Butterworth-Heinemann.CrossRefGoogle Scholar
104Thulin, A. J. & Brumm, M. C. (1991). Water: the forgotten nutrient. In Swine Nutrition, pp. 315324 [ Miller, D. EUllrey, & Lewis, A. J., editors] Boston, MA: Butterworth-Heinemann.CrossRefGoogle Scholar
105Touitou, Y. & Haus, E. (1992). Biologic Rhythms in Clinical and Laboratory Medicine. Berlin: Springer-Verlag.CrossRefGoogle Scholar
106Tumbleson, M. E. & Schmidt, D. A. (1985). Swine clinical chemistry. In Swine in Biomedical Research, pp. 783807 [ M. E., Tumbleson, editor]. New York: Plenum Press.Google Scholar
107Vaissaire, J. P. (1982). [Biological and haematological standards.] In Le Porc et Ses Maladies, pp. 149168 [ P., Mornet, J., Tournut & B., Toma, editors]. Paris: Maloine S.A. Editeur.Google Scholar
108Van Acker, B. A. C. (1994). Glomerular filtration rate: accurate measurement and circadian rhythm. PhD Thesis, University of Amsterdam.Google Scholar
109Vandenheede, M. & Nicks, B. (1991). [Water requirements and drinking water systems for pigs.] Annales de Médecine Vétérinaire 135 123128.Google Scholar
110Van Diepen, J. Th. M. & Lenis, N. P. (1989). [Effect of dietary salt levels on water intake and performance of fattening pigs.] Instituut voor Veevoedingsonderzoek (IVVO), Lelystad, Rapport no. 208.Google Scholar
111Verstegen, M. W. A. (1987). Cold climate and environment in swine. In Bioclimatology and the Adaptation of Livestock, pp. 6882 [ H. D., Johnson, editor]. Amsterdam: Elsevier.Google Scholar
112Vokes, T. (1987). Water homeostasis. Annual Review of Nutrition 7, 383406.CrossRefGoogle ScholarPubMed
113Vreman, K., Mroz, Z., Jongbloed, A. W., Van Diepen, J. Th. M., Jongbloed, R. & Lenis, N. P. (1994). Slurry quantity and quality from non-pregnant sows as related to drinking water and dietary protein supplies. In Tagung Schweine- und Geflügelernährung 3, 192197 [ H., Nonn and O., Simon, editors]. Halle/Saale, Germany: Wissenschaftlicher Fachverlag.Google Scholar
114Wahlstrom, R. C., Taylor, A. R. & Seerley, R. W. (1970). Effects of lysine in the drinking water of growing swine. Journal of Animal Science 30, 368373.CrossRefGoogle ScholarPubMed
115Williams, A. G. & Streader, W. V. (1990). A comparison of models for predicting slurry production on a pig farm. Biological Wastes 31, 187197.CrossRefGoogle Scholar
116Wójcik, S., Wideński, k., & Mróz, Z. (1978). [Intake of drinking water by piglets fed creep feeds.] Medycyna Weterynaryjna 34, 161164.Google Scholar
117Yang, T. S., Howard, B. & MacFarlane, W. V. (1981). Effects of food on drinking behaviour of growing pigs. Applied Animal Ethology 7, 259270.CrossRefGoogle Scholar
118Yang, T. S., Price, M. A. & Aherne, F. X. (1984). The effect of level of feeding on water turnover in growing pigs. Applied Animal Behaviour Science 12, 103109.CrossRefGoogle Scholar
119Zoiopoulos, P. E., English, P. R. & Topps, J. H. (1982). High-fibre diets for ad libitum feeding of sows during lactation. Animal Production 35, 2533.Google Scholar