Diet affects nutrient digestibility, hematology, and serum chemistry of senior and weanling dogs

Journal of Animal Science
K S SwansonG C Fahey

Abstract

The objective of this experiment was to determine the effects of age and diet on serum chemistry, hematology, and nutrient digestibility in healthy dogs. Twelve senior (11 yr old; six males and six females) and 12 weanling (age = 8 wk old; six males and six females) beagles were randomly assigned to one of two dietary treatments: 1) an animal product-based (APB) diet or 2) a plant product-based (PPB) diet. The APB diet was primarily composed of brewer's rice, chicken by-product meal, and poultry fat, whereas the primary ingredients of the PPB diet included corn, soybean meal, wheat middlings, and meat and bone meal. Dogs remained on experiment for 12 mo. A 4-d total fecal collection was performed to determine apparent macronutrient digestibilities after 3 and 10 mo. Blood samples were collected at baseline and after 3, 6, 9, and 12 mo on study. After 3 mo, dogs fed the APB diet had greater (P < 0.001) DM (6 percentage units) and OM (7 percentage units) digestibilities than dogs fed the PPB diet. Senior dogs had greater DM (2.5 percentage units; P = 0.07) and OM (3 percentage units; P < 0.01) digestibilities than young dogs. Dogs fed the PPB diet had a lower (P < 0.001) fecal DM percentage (7.5 percentage units) and greater (P <...Continue Reading

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Citations

Feb 18, 2009·PloS One·Ingmar S MiddelbosKelly S Swanson
Jun 6, 2009·Archives of Animal Nutrition·Kelly S SwansonLawrence B Schook
Apr 23, 2010·The Journal of Veterinary Medical Science·Yuichi MiyagawaHisashi Hirose
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Oct 23, 2010·PloS One·Dong Yong KilKelly S Swanson
Jul 12, 2011·Cellular Reprogramming·JungEun ParkByeongChun Lee
Mar 4, 2021·The Veterinary Clinics of North America. Small Animal Practice·Julie A Churchill, Laura Eirmann
May 11, 2021·Frontiers in Veterinary Science·Manuela GizzarelliMonica Isabella Cutrignelli
Dec 15, 2007·Neurobiology of Aging·Kelly S SwansonLawrence B Schook
Mar 26, 2011·Topics in Companion Animal Medicine·Andrew H Sparkes

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