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Studies on Belgian Pietrain pigs 2. A comparison of growth and carcass characteristics of Pietrain used in three breed crosses with Landrace, Large White and Hampshire breeds

Published online by Cambridge University Press:  02 September 2010

M. K. Curran ,
I. J. Lean ,
J. E. Duckworth  and
W. Holmes
M. K. Curran
Affiliation:
Wye College (University of London), Ashford, Kent
I. J. Lean
Affiliation:
Wye College (University of London), Ashford, Kent
J. E. Duckworth
Affiliation:
Wye College (University of London), Ashford, Kent
W. Holmes
Affiliation:
Wye College (University of London), Ashford, Kent
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Summary

1. The growth, feed consumption per unit weight gain, carcass characteristics and some aspects of meat quality were studied in two trials with crosses derived from Landrace (L), Pietrain (P), Hampshire (H) and Large White (LW) breeds.

2. In Trial 1, 96 pigs of both pure Landrace and LW(× (L♀ × P♂)♂ origin were studied up to slaughter weights of 64 and 91 kg live weight. In Trial 2, Landrace, LW♀ × (L♀ × P♂)♂ and LW ♂x (P♀x L♂)♂, (H♀ × P♂ × L♂ and (H♀ × P♂)♀ × LW♂ pigs were compared up to 91 kg live weight using 48 pigs of each type.

3. All crossbred types showed better economy of production than Landrace when assessed by live-weight gain and feed consumption per unit weight gain. Their carcasses contained greater quantities of lean meat and similar quantities of rind, bone and fat than Landrace at comparable weights, but they exhibited a variable tendency to poorer meat quality. LW × (L × P) and LW × (P × L) carcasses at 91 kg live weight were shorter than Landrace; 4% and 14% of pigs in trials 1 and 2 respectively were less than the currently acceptable length of bacon pigs (775 mm). (H × P) × LW and (H×P)×L carcasses at this weight were much shorter; 34% and 38% respectively were less than 775 mm.

Type
Research Article
Information
Animal Production , Volume 15 , Issue 1 , August 1972 , pp. 11 - 19
Copyright
Copyright © British Society of Animal Science 1972

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References

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