Partitioning of late gestation energy expenditure in ewes using indirect calorimetry and a linear regression approach

References

• Agricultural and Food Research Council (AFRC) . 1993 . Energy and protein requirements of ruminant , Wallingford : CAB International . An advisory manual prepared by the AFRC Technical Committee on Response to Nutrient
   Google Scholar
• Bauman , D E . 2000 . “ Regulation of nutrient partitioning during lactation: Homeostasis and homeorhesis revisited ” . In Ruminant physiology, digestion, metabolism, growth and reproduction , Edited by: Cronje , P B . 311 – 328 . Wallingford , , UK : CAB International .
   Google Scholar
• Bell , A W . 1995 . Regulation of organic nutrient metabolism during transition from late pregnancy to early lactation . J Anim Sci , 73 : 2804 – 2819 .
   PubMed Web of Science ®Google Scholar
• Bell , A W , Battaglia , F C and Meschia , G . 1987 . Relation between metabolic rate and body size in the ovine fetus . J Nutr , 117 : 1181 – 1186 .
   PubMed Web of Science ®Google Scholar
• Bell , A W and Bauman , D E . 1997 . Adaptations of glucose metabolism during pregnancy and lactation . J Mammary Gland Biol Neoplasia , 2 : 265 – 278 .
   PubMed Web of Science ®Google Scholar
• Bell , A W , Ferrell , C L and Freetly , H C . 2005 . “ Pregnancy and fetal metabolism ” . In Quantitative aspects of ruminant digestion and metabolism , 2nd ed , Edited by: Dijkstra , J , Forbes , J M and France , J . 523 – 550 . Wallingford , , UK : CAB International .
   Google Scholar
• Birkett , S and de Lange , K . 2001 . Limitations of conventional models and a conceptual framework for a nutrient flow representation of energy utilization by animals . Br J Nutr , 86 : 647 – 659 .
   PubMed Web of Science ®Google Scholar
• Blaxter , K L . 1982 . A study of the growth of sheep to maturity . J Agr Sci UK , 98 : 405 – 420 .
   Web of Science ®Google Scholar
• Brody , S . 1945 . Bioenergetics and growth , New York : Rheinhold Publishing Corporation .
   Google Scholar
• Brouwer , E . 1965 . “ Report of sub-committee on constants and factors ” . In Energy metabolism of farm animals , Edited by: Blaxter , K L . 441 – 443 . London : Academic Press .
   Google Scholar
• Chwalibog , A , Tauson , A -H and Thorbek , G . 2004 . Diurnal rhythm in heat production and oxidation of carbohydrate and fat in pigs during feeding, starvation and re-feeding . J Anim Physiol Anim Nutr , 88 : 266 – 274 .
   PubMed Web of Science ®Google Scholar
• Ferrell , C L , Garrett , W N , Hinman , N and Grichting , G . 1976 . Energy utilization by pregnant and non-pregnant heifers . J Anim Sci , 42 : 937 – 950 .
   PubMed Web of Science ®Google Scholar
• Freetly , H C and Ferrell , C L . 1997 . Oxygen consumption by and blood flow across the portal-drained viscera and liver of pregnant ewes . J Anim Sci , 75 : 1950 – 1955 .
   PubMed Web of Science ®Google Scholar
• Freund , R J , Littel , R C and Spector , P C . 1991 . SAS System for Linear Models , Cary , NC : SAS Institute Inc. .
   Google Scholar
• Graham , N M . 1964 . Energy exchange of pregnant and lactating ewes . Austr J Agr Res , 15 : 127 – 141 .
   Google Scholar
• Hoffmann , L and Klein , M . 1980 . Die Abhängigkeit der Harnenergie vom Kohlenstoff- und Stickstoffgehalt im Harn bei Rindern, Schafen, Schweinen und Ratten (The dependency of urniary energy on carbon and nitrogen content of urine in cattle, sheep, pigs and rats) . Arch Anim Nutr , 30 : 743 – 750 .
   Web of Science ®Google Scholar
• Koong , L J and Ferrell , C L . 1990 . Effects of short term nutritional manipulation on organ size and fasting heat production . Eur J Clin Nutr , 44 ( Suppl. 1 ) : 73 – 77 .
   PubMedGoogle Scholar
• Langlands , J P and Sutherland , H A . 1968 . An estimate of the nutrients utilized for pregnancy by Merino sheep . Br J Nutr , 22 : 217 – 227 .
   PubMed Web of Science ®Google Scholar
• McCracken , K J and Rao , S D . Protein:energy intractions in boars of high lean deposition potential . Energy metabolism of farm animals. Proceedings of the 11th Symposium . 1989 , Lunteren , The Netherlands. Edited by: van der Honing , Y and Close , W H . pp. 13 – 16 . EAAP Publication no 43
   Google Scholar
• McNiven , M A . 1984 . The effect of body fatness on energetic efficiency and fasting heat production in adult sheep . Br J Nutr , 51 : 297 – 304 .
   PubMed Web of Science ®Google Scholar
• National Research Council (NRC) . 1985 . Nutrient requirements of sheep , 6th ed , Washington , DC : National Academic Press .
   Google Scholar
• Quiniou , N , Dubois , S and Noblet , J . 1995 . Effect of dietary crude protein level on protein and energy balances in growing pigs: comparison of two measurement methods . Livest Prod Sci , 41 : 51 – 61 .
   Google Scholar
• Rattray , P V , Garrett , W N , East , N E and Hinman , N . 1974a . Efficiency of utilization of metabolizable energy during pregnancy and the energy requirement for pregnancy in sheep . J Anim Sci , 38 : 383 – 393 .
   PubMed Web of Science ®Google Scholar
• Rattray , P V , Garrett , W N , East , N E and Hinman , N . 1974b . Growth, development and composition of the ovine conceptus and mammary gland during pregnancy . J Anim Sci , 38 : 613 – 626 .
   PubMed Web of Science ®Google Scholar
• Reynolds , L P , Ferrell , C L , Robertson , D A and Ford , S P . 1986 . Metabolism of the gravid uterus, fetus and utero-placenta at several stages of gestation in cows . J Agr Sci , 106 : 437 – 444 .
   Web of Science ®Google Scholar
• Robinson , J J , MacDonald , I A , Fraser , C and Crofts , R MJ . 1977 . Studies on reproduction in profile ewes. 1. Growth of the products of conceptus . J Agr Sci (Cambridge) , 88 : 539 – 552 .
   Web of Science ®Google Scholar
• Robinson , J J , MacDonald , I A , Fraser , C and Gordon , J G . 1980 . Studies on reproduction in profile ewes. 6. The efficiency on energy utilization for conceptus growth . J Agr Sci (Cambridge) , 94 : 331 – 338 .
   Web of Science ®Google Scholar
• Rosenfeld , C R . 1977 . Distribution of cardiac output in ovine pregnancy . Am J Physiol , 232 : H231 – H235 .
   PubMed Web of Science ®Google Scholar
• Webster , A J . Energy utilization during growth and reproduction (discussion) . Energy metabolism of farm animals. Proceedings of the 11th Symposium . 1989 , Lunteren , The Netherlands. Edited by: van der Honing , Y and Close , W H . pp. 85 – 88 . EAAP Publication no 43
   Google Scholar
• Yen , J T . Oxygen consumption and energy flux of procine splanchic tissues . Digestive physiology in pigs. Proceedings of the 7th international symposium on Digestive Physiology in Pigs . 1981 . Edited by: Laplace , J P , Fevrier , C and Barbeau , A . pp. 260 – 269 . St Malo , , France : INRA .
   Google Scholar