The effects of feeding hempseed cake on pancreatic and jejunal digestive enzymatic activity in finishing heifers

Md G.K. Mia; Thomas M. Winders; Eric M. Serum; Samat Amat; Bryan W. Neville; Carl R. Dahlen; David J. Smith; Kendall C. Swanson

doi:10.1139/cjas-2023-0033

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Md G.K. Mia,¹ Thomas M. Winders,¹ Eric M. Serum,² Samat Amat,³ Bryan W. Neville,⁴ Carl R. Dahlen,¹ David J. Smith,² Kendall C. Swansonhttps://orcid.org/0000-0002-5694-4778^1,*

¹aDepartment of Animal Sciences, North Dakota State University, Fargo, ND 58108-6050, USA
²bUSDA-Agricultural Research Service, Edward T. Schafer Agricultural Research Center, Biosciences Research Laboratory, 1616 Albrecht Blvd, Fargo, ND 58102, USA
³cDepartment of Microbiological Sciences, North Dakota State University, Fargo, ND 58108-6050, USA
⁴dUSDA-Agricultural Research Service, US Meat Animal Research Center, State Spur 18D, Clay Center, NE 68933, USA

^*Corresponding author: Kendall Swanson (email: kendall.swanson@ndsu.edu)

Abstract

To evaluate the effects of feeding hempseed cake on digestive enzymes, crossbred heifers (n = 32; 494 ± 10 kg body weight) were fed diets containing 20% (dry matter basis) dried corn distillers grains plus solubles or hempseed cake for 111 days. There was greater (P = 0.05) pancreatic mass relative to body weight in heifers fed hempseed cake. No differences (P ≥ 0.19) in digestive enzyme activity in the pancreas (α-amylase, trypsin, and lipase) and jejunum (maltase, glucoamylase, and isomaltase) were observed between treatments. Our results suggest that feeding hempseed cake did not influence digestive enzyme activity.

Citation Download Citation

Md G.K. Mia, Thomas M. Winders, Eric M. Serum, Samat Amat, Bryan W. Neville, Carl R. Dahlen, David J. Smith, and Kendall C. Swanson "The effects of feeding hempseed cake on pancreatic and jejunal digestive enzymatic activity in finishing heifers," Canadian Journal of Animal Science 103(4), 416-419, (12 June 2023). https://doi.org/10.1139/cjas-2023-0033

Received: 28 March 2023; Accepted: 18 May 2023; Published: 12 June 2023