Four dogs stolen from farm near Brightlingsea
Police say they are working dogs and will likely look uncomfortable or unhappy on a lead.
The animals were taken from kennels at the back of a farm on Hall Lane in Thorrington between 4pm and 6.30pm on Sunday 13th September.
They include a black Springador, a liver coloured Cocker Spaniel with a white chest, and two liver and white Springer Spaniels.
Investigating Officer PC Matthew Hall said: "They are all working dogs. They have never worn a collar and would look very uncomfortable or unhappy on a lead - they are simply not use to it.
"The Spingador looks like a black Labrador and one of the Springer Spaniels has a mole on his left eyelid."
All four dogs are male and anyone who was in the area and saw anything suspicious is asked to get in touch with police.
PC Hall added: "No matter how small or insignificant you think your information, please report it to us.
"It could make a difference and help us to return the dogs to their owner."
If you can help, make a report to the Essex Police website or call 101, quoting reference 42/147667/20.
Alternatively, you can call Crimestoppers anonymously on 0800 555 111.