Ceir pryderon y gallai fod cysylltiad rhwng gwerthu cŵn a chathod bach yn fasnachol drwy drydydd parti ac amodau lles gwael i’r anifeiliaid dan sylw o’i gymharu â phan mae pobl yn prynu’n uniongyrchol gan y bridiwr. Er enghraifft, cyflwyno nifer o amgylcheddau newydd ac anghyfarwydd, a’r tebygolrwydd y bydd yn rhaid i’r cŵn neu’r cathod bach gael eu symud o gwmpas mwy gan gynyddu’r risg o afiechydon a gall y cŵn a’r cathod bach golli’r cyfle i gymdeithasu a chynefino.
There are concerns commercial third-party sales of puppies and kittens may be associated with poorer welfare conditions for the animals compared to when people buy directly from the breeder. For example, this might include the introduction to several new and unfamiliar environments and the increased likelihood of multiple journeys the puppies or kittens have to undertake. All of these have the potential to contribute to an increased risk of disease and a lack of socialisation and habituation for the puppies and kittens.