Saturated fat supplementation interacts with dietary forage neutral detergent fiber content during the immediate postpartum period in Holstein cows: Energy balance and metabolism

Journal of Dairy Science
P PiantoniM S Allen

Abstract

Forty-eight multiparous cows were used in a randomized complete block design experiment with a 2×2 factorial arrangement of treatments to determine the interaction between a highly saturated free FA supplement (SFFA) and dietary forage NDF (fNDF) content on energy balance and metabolic responses in postpartum cows. Treatment diets were offered from 1 to 29 d postpartum and contained 20 or 26% fNDF and 0 or 2% SFFA (Energy Booster 100; 96.1% FA: 46.2% C18:0, and 37.0% C16:0). Overall, low fNDF versus high fNDF and 2% SFFA versus 0% SFFA increased digestible energy intake (DEI; 67.5 vs. 62.2 Mcal/d and 68.1 vs. 61.6 Mcal/d, respectively). The low fNDF diet with SFFA increased energy balance compared with the other treatments early during the treatment period, but treatment differences diminished over time. Overall, low fNDF versus high fNDF diets and 2% SFFA versus 0% SFFA improved energy balance (-13.0 vs. -16.3 Mcal/d and -12.0 vs. -17.3, respectively) decreasing efficiency of utilization of DEI for milk (milk NEL/DEI; 0.575 vs. 0.634 and 0.565 vs. 0.643). Low fNDF diets increased plasma insulin (0.308 vs. 0.137 µg/mL) and glucose concentrations (50.5 vs. 45.7mg/dL) and decreased plasma nonesterified FA (606 vs. 917µEq/L) and β...Continue Reading

References

Aug 1, 1959·Canadian Journal of Biochemistry and Physiology·E G BLIGH, W J DYER
Mar 2, 2006·Journal of Dairy Science·K J Harvatine, M S Allen
Jun 15, 2006·The Journal of Nutrition·Barry J BradfordMichael S Allen
Jun 30, 2009·Animal Health Research Reviews·Lorraine M SordilloStacey L Aitken
Nov 20, 2009·Journal of Dairy Science·W P Weiss, J M Pinos-Rodríguez
Jul 3, 2013·The Veterinary Clinics of North America. Food Animal Practice·Michael S Allen, Paola Piantoni

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