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Influence of a preen gland secretion on growth and meat quality of heavy broilers

Published online by Cambridge University Press:  01 April 2008

I. Madec ,
P. Pageat ,
L. Bougrat ,
C. Lecuelle-Lafont ,
D. Saffray ,
C. Falewee ,
A. Bollard ,
P. Chabrol  and
J.-F. Gabarrou
I. Madec*
Affiliation:
Pherosynthese, le Rieu Neuf, Saint Saturnin Apt. 84490, France
P. Pageat
Affiliation:
Pherosynthese, le Rieu Neuf, Saint Saturnin Apt. 84490, France
L. Bougrat
Affiliation:
Pherosynthese, le Rieu Neuf, Saint Saturnin Apt. 84490, France
C. Lecuelle-Lafont
Affiliation:
Pherosynthese, le Rieu Neuf, Saint Saturnin Apt. 84490, France
D. Saffray
Affiliation:
Pherosynthese, le Rieu Neuf, Saint Saturnin Apt. 84490, France
C. Falewee
Affiliation:
Pherosynthese, le Rieu Neuf, Saint Saturnin Apt. 84490, France
A. Bollard
Affiliation:
ENV Lyon, Marcy l’Etoile, 69000 Lyon, France
P. Chabrol
Affiliation:
Cabinet Clair Matin, 01000 Bourg en Bresse, France
J.-F. Gabarrou
Affiliation:
EI Purpan75 voie du TOEC BP 5761, 31076 Toulouse Cedex 3, France
*
E-mail: [email protected]
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Abstract

Preen gland secretions were obtained from several hens that were rearing their chicks and the content of these secretions was analysed. From these results, a synthetic analogue of the secretions was created (given the title Mother Hen Uropygial Secretion Analogue, or MHUSA, in this study). According to a blinded, controlled experimental design, heavy broilers (strain SASSO T56N) were reared from 1 day of age in an environment treated with either MHUSA or control. At 80 days the birds were slaughtered. Post mortemcarcass weight, abdominal fat and fillet weights were then measured. Colour, pH and yield were also measured as indicators of meat quality. Broilers exposed to MHUSA had both higher carcass weights and higher fillet weights compared with control-treated birds (P < 0.05). Abdominal fat, pH, water loss and colorimetry results were similar between the treatment groups at all time points (24 h and 6 days post mortem) and also after a cooking procedure. The meat from the MHUSA birds was less yellow compared with control. It is concluded that constant exposure to MHUSA from rearing until slaughter improves growth rate in broilers without significantly affecting meat quality.

Keywords

broilersgrowthmeat qualitypreen gland
Type
Full Paper
Information
animal , Volume 2 , Issue 4 , April 2008 , pp. 631 - 635
Copyright
Copyright © The Animal Consortium 2008

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