Twenty-six birds, or 13 pairs of rooster and hen, are entered in the contest They are first judged by weight; each rooster must weigh at least 4.5 kilograms and hen a minimum of 3.5 kilograms Then they are evaluated by other criteria such as head, crest, colour, tail, feet and feathers Above: The best pair of birds at the contest Couple number four ranks second Pictured: A distinct breed of chicken – Ho – originating in Bac Ninh province

Twenty-six birds, or 13 pairs of rooster and hen, are entered in the contest

They are first judged by weight; each rooster must weigh at least 4.5 kilograms and hen a minimum of 3.5 kilograms 

Then they are evaluated by other criteria such as head, crest, colour, tail, feet and feathers

Above: The best pair of birds at the contest

Couple number four ranks second

Pictured: A distinct breed of chicken – Ho –  originating in Bac Ninh province