EurekaMag.com logo
+ Site Statistics
References:
52,654,530
Abstracts:
29,560,856
PMIDs:
28,072,755
+ Search Articles
+ Subscribe to Site Feeds
EurekaMag Most Shared ContentMost Shared
EurekaMag PDF Full Text ContentPDF Full Text
+ PDF Full Text
Request PDF Full TextRequest PDF Full Text
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter
Follow on LinkedInFollow on LinkedIn

+ Translate

Effects of feeding systems on social and feeding behavior and performance of finishing pigs



Effects of feeding systems on social and feeding behavior and performance of finishing pigs



Journal of Animal Science 65(2): 463-474



Two experiments were conducted to study the effects of feeding systems on feeding behavior, aggression, social ranks and average daily gain (ADG) of pigs. In Exp. 1, feed was delivered during the day from 1100 to 1400 and at night from 2300 to 0200. One pen containing 10 barrows and 10 gilts was used. Correlation coefficients were calculated between pairs of traits. In Exp. 2, four feeding systems were tested using similar group composition as in Exp. 1. Two feeding systems were ad libitum, offering either dry or wet feed; the other two used time-restricted feeding from 0900 to 1100 and from 1600 to 1800, but with water supplied either ad libitum or time-restricted. Analyses of variance were used to test feeding system effects; correlation coefficients were calculated for pairs of traits. Results of Exp. 1 indicated that pigs displayed predominantly daytime activities. Frequency of aggressive acts were correlated significantly with feeding frequency (r = .48), time to first feeding (r = -.50) and ADG (r = .56). In Exp. 2, pigs on time-restricted feeding with ad libitum water had significantly depressed ADG and reduced feed intake. A possible association between time-restricted feeding and water intake is postulated. Feeding behavior, aggression and social rank were associated with ADG in time-restricted systems but not in ad libitum systems. There was a tendency in time-restricted-fed pigs for the more aggressive pigs to perform more feeding activities, to rank higher in the social order, and to gain faster.

(PDF emailed within 0-6 h: $19.90)

Accession: 001580826

Download citation: RISBibTeXText

PMID: 3624096

DOI: 10.2527/jas1987.652463x



Related references

Effect of feeding systems on feeding behaviour and performance of finishing pigs. Indian Journal of Animal Sciences 72(10): 896-898, 2002

An acute challenge with a deoxynivalenol-contaminated diet has short- and long-term effects on performance and feeding behavior in finishing pigs. Journal of Animal Science: -, 2018

Effects of a "step-up" ractopamine feeding program, sex, and social rank on growth performance, hoof lesions, and Enterobacteriaceae shedding in finishing pigs. Journal of Animal Science 87(1): 304-313, 2008

Feeding environment for growing-finishing pigs. Effects of competition for feed and feeding frequency on performance, behaviour, injuries, plasma cortisol and exocrine pancreatic secretion. Acta Universitatis Agriculturae Sueciae Agraria ( 192): 45 pp., 1999

Feeding behavior of growing-finishing pigs reared under precision feeding strategies. Journal of Animal Science 94(7): 3042-3050, 2016

Computerized feeding system in finishing pigs: effect of food deprivation, sex and social rank on feeding behaviour and aggressiveness. Journees de la Recherche Porcine en France 28: 439-444, 1996

Feeding behaviour and zootechnical results in two housing systems with liquid feeding for growing-finishing pigs. Journees de la Recherche Porcine en France 28: 181-188, 1996

Behavior and peripheral amine concentrations in relation to ractopamine feeding, sex, and social rank of finishing pigs. Journal of Animal Science 88(3): 1184-1194, 2010

Effects of wet/dry feeding for finishing pigs on eating behavior and frequency of trough usage. Japanese Journal of Swine Science 33(3): 88-96, 1996

Effects of fixed level or restricted feeding compared to ad libitum feeding on growing/finishing pigs. Journees de la Recherche Porcine en France 31: 239-247, 1999

The impact of feeding growing-finishing pigs with daily tailored diets using precision feeding techniques on animal performance, nutrient utilization, and body and carcass composition. Journal of Animal Science 92(9): 3925-3936, 2015

Effects of continuous feeding of zeolite and protease on the performance of growing-finishing pigs. Journal of the Taiwan Livestock Research 13(2): 1-9, 1980

Effects of feeding poultry waste on the performance, digestibility and economics in finishing pigs. Pesquisa agropecuaria brasileira8(7): 797-804, 1983

Degree of competition at feeding differentially affects behavior and performance of group-housed growing-finishing pigs of different relative weights. Journal of Animal Science 80(2): 376-383, 2002

Influence of feeding direct-fed microbial supplementation on growth performance and feeding behavior in naturally fed and conventionally fed finishing cattle with different dietary adaptation periods. Journal of Animal Science 96(8): 3370-3380, 2018