Tena dienaTeņa day each year on 17. January is also known as tennis, Anton Swine tennis, Cūkaušu day because Tennis is a pig , and other small livestock guardian . That is why this day must be cooked pig 's head and go with it to the pigpen . On this day forbidden spin , sew and knit , as well as gloves and socks to tinker , because otherwise a lot of pigs during the summer writ and creeping through the fences . What to eat : The Pig Tennis is a trustee of the present day cook pork ear with dumplings , which gives eat their pigs to grow as round as boiled dumplings . Beliefs : If Tena day dry hay will dry time . If Tenišdienā mist , spring flooding expected . Pork eating, the present day do not eat bread or rye pigs digging . Do not irrigate the break , otherwise next year bony pigs . Run around the pig pens and be counted , . . .