Next Article in Journal
Dairy Cows Produce Less Milk and Modify Their Behaviour during the Transition between Tie-Stall to Free-Stall
Previous Article in Journal
Impact of Feed Delivery Pattern on Aerial Particulate Matter and Behavior of Feedlot Cattle †
Article Menu

Export Article

Open AccessArticle
Animals 2017, 7(3), 15; doi:10.3390/ani7030015

The Effect of Lupinus albus on Growth Performance, Body Composition and Satiety Hormones of Male Pigs Immunized against Gonadotrophin Releasing Factor

1
Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, Victoria 3010, Australia
2
Grains and Livestock Industries, Department of Agriculture and Food Western Australia, South Perth, Western Australia 6151, Australia
Current Address: AB Vista Asia, 329682 Singapore, Singapore.
*
Author to whom correspondence should be addressed.
Academic Editor: Clive J. C. Phillips
Received: 13 December 2016 / Revised: 23 February 2017 / Accepted: 25 February 2017 / Published: 2 March 2017
View Full-Text   |   Download PDF [1555 KB, uploaded 2 March 2017]   |  

Simple Summary

Pigs immunized against gonadotrophin releasing factor (immunocastrates; IC males) have an increased feed intake, growth rate, back fat and fat deposition compared to entire males. A previous experiment found that Lupinus albus L. (albus lupins) has the potential to reduce feed intake and fat deposition in IC males. The current experiment aimed to develop a dietary management strategy using albus lupins for either 14 or 28 days pre-slaughter to reduce the increase in feed intake and subsequent increase in carcass fatness in IC males.

Abstract

Two hundred and ninety four pigs were used with the aim to develop a dietary management strategy using Lupinus albus L. (albus lupins) to reduce the increase in feed intake and subsequent increase in carcass fatness in pigs immunized against gonadotrophin releasing factor (immunocastrates; IC males) and entire male pigs in the late finishing stage. From day (d) 0 to 28, IC males fed the control diet grew faster (p = 0.009) than entire males fed the control diet but there was no difference in growth rate between sexes for pigs fed albus lupins for 14 days pre-slaughter (Albus 14) or pigs fed albus lupins for 28 days pre-slaughter (Albus 28). From d 15 to 28, IC males receiving the Albus 14 diet grew more slowly (p < 0.001) than entire males receiving the Albus 14 diet. From d 15 to 28 (p < 0.001), IC males fed the control diet ate more feed than entire males fed the control diet, although there was no difference between sexes in feed intake of the Albus 14 and Albus 28 diet. Immunocastrates had a lower backfat when fed either Albus 14 or Albus 28 compared to the control diet, although there was no difference between diets for entire males. There was also a trend for pigs on the Albus 14 and Albus 28 diets to have a higher lean deposition (p = 0.055) and a lower fat deposition (p = 0.056) compared to the pigs on the control diet. Pigs fed the Albus 28 diet had a lower plasma ghrelin concentration compared to pigs fed the Albus 14 or the control diet (p = 0.002). Pigs fed the Albus 28 diet had a higher peptide YY concentration than those fed the control or albus 14 diet (p = 0.004). The inclusion of albus lupins at 20% in the diets of IC male pigs for either 14 or 28 days pre-slaughter was successful in reducing feed intake, body fat and backfat to similar levels of entire males. However, the growth rate of the IC male pigs was impacted more than would be desirable. View Full-Text
Keywords: albus lupins; body composition; growth performance; immunocastrated male pigs; satiety hormones albus lupins; body composition; growth performance; immunocastrated male pigs; satiety hormones
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Moore, K.; Mullan, B.; Kim, J.C.; Dunshea, F. The Effect of Lupinus albus on Growth Performance, Body Composition and Satiety Hormones of Male Pigs Immunized against Gonadotrophin Releasing Factor. Animals 2017, 7, 15.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Animals EISSN 2076-2615 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top