Relationships of weight gain and behavior to digestive organ weight and enzyme activities in piglets.

Journal of Animal Science
A M de PassilléJ Morisset

Abstract

Organ weights and digestive enzyme contents of the pancreas, stomach and duodenum were measured in 75 nursing piglets at 21 d of age. Piglets were given creep feed from 10 d of age. Creep feed intake was less than 1.5 g.d-1.piglet-1 up to d 18; on d 19 and 20 it averaged 15 g.d-1.piglet-1. On d 10, piglets went to the feeder more frequently than on the following days. Feeding bouts were longer on d 16, 17 and 18 just prior to the increase in creep feed consumption. Means and SE for the parameters studied at 21 d of age were 7.01 +/- .18 mg for pancreas weight; 61,499 +/- 4,091 units of amylase (UA) and 1,510 +/- 110 UA/mg DNA; 2,962 +/- 189 units of chymotrypsin (UC) and 68.94 +/- 3.92 UC/mg DNA; 8.76 +/- .35 g for fundic mucosa weight; 558,875 +/- 49,287 units of pepsin (UP) and 12,338 +/- 1,175 UP/mg DNA; 1.75 +/- .06 g for duodenum weight; 1.39 +/- .07 units of maltase (UM) and .14 +/- .006 UM/mg DNA. Day-0 weight was not correlated with 21-d gain. Feeding behaviors were correlated positively with 21-d gains. Feeding behaviors and behaviors were correlated positively to pancreas total and specific enzyme contents as well as to stomach and duodenum weights, RNA/DNA ratios of the pancreas and the stomach and protein/DNA of the...Continue Reading

Citations

Dec 21, 2018·Drug Metabolism and Disposition : the Biological Fate of Chemicals·April Neal-KlueverWendy Halpern
Feb 11, 2021·Animals : an Open Access Journal From MDPI·Anne M S HutingFrancesc Molist
Aug 19, 2020·Asian-Australasian Journal of Animal Sciences·Hao ChenAixia Zhu
May 13, 2021·Anais Da Academia Brasileira De Ciências·Ewerson S OliveiraCesar A P Garbossa
Sep 6, 2005·Veterinary Microbiology·Lone CarstensenJens Peter Nielsen

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