I would take her into your Veterinarian for a complete check up and bring a stool sample in too. Is she on Heartworm prevention once a month? There could be a lot of things wrong as she is 13 years old. Make sure you have her on a Senior type food, and a good name brand. I personally like Natural Choice Senior food. When they get older the older dogs need a lower amount of protein but a higher quality of protein. This helps their kidneys and liver out.
She needs blood work done by her Vet. All dogs should have a yearly check up anyway. Also try adding some canned dog food to her dry food. The bottom line is to find out why she is losing weight.
The verb to confine has no adverb form. The noun forms of the verb to confine are confiner, confinement, and the gerund, confining. The adjective forms of the verb to confine are confining and confined.
Please confine your giggles.
When we confine the electrons like this, their properties can change dramatically.
"Confine the prisoner", said the judge.
The root is confine.
The veterinarian will confine the dog until she determines if it has rabies or not.
The word 'confine' is a noun form, a word for a limit, a boundary; often used in the plural, confines. Example: The confine of your question limits the answer to noun forms. The noun forms for the verb to confine are confinement and the gerund, confining.
Confine yourself to the amount of junk food you eat a day.
Confine - 2013 is rated/received certificates of: UK:15
Confine is the verb form of the noun confinement.
confine
confine