Book 8 - "Pigs Have Wings" by P.G. Wodehouse

In which the Empress of Blandings faces stiff competition in the form of Sir Gregory Parslow's new pig the Queen of Matchingham, there is even more pignapping than usual, and three couples have romantic problems. Probably the most enjoyable of the Blandings Castle novels that I have read.

'You don't mean it's fatter than the Empress?' said Gally, cocking an eye at the stable's nominee and marvelling that such a thing could be possible.
Lord Emsworth looked shocked.
'I would not say that. No, no, I certainly would not say that. But the contest will now become a desperately close one. It may be a matter of ounces.'