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What do I do if my guinea pig is skinny?

Author

Ava White

Updated on February 14, 2026

What do I do if my guinea pig is skinny?

If she's skinny, let her eat what she wants, focusing on weight gain foods. When she returns to a normal weight, feed mostly hay. Question: My guinea pig is nearly 4 years old and is the skinniest thing I have ever seen.

Consequently, why is my guinea pig so skinny?

If the only thing you have noticed in your guinea pig is weight loss, this can be caused by many things. Visit your veterinarian as soon as possible. Causes of weight loss include dental problems, liver or kidney diseases, intestinal disease, endocrine disease, infection and toxins — just to name a few.

Also Know, how can I fatten up my guinea pig? Lots of pigs take a pellet of food, drink water, and then chew the goo around until it's slush. Hay will require plenty of water too. Put a brick or a small bowl under the water bottle, or give him a smaller water bottle which gets refilled more often.

Similarly, it is asked, how do I know if my guinea pig is too skinny?

You should be able to tell if a guinea pig is too fat or too skinny by feeling their hips and spine. Very Underweight Guinea Pigs: You will be able to feel each rib of a a very thin guinea pig and their spine and hips are easily seen and protruding.

What can I feed my underweight guinea pig?

Fresh grass/leafy greens e.g. kale/broccoli (excellent Vitamin C sources) daily. Don¿t give citrus fruits. Larger pellet portion if growing/pregnant/nursing/underweight.

What are the signs of a guinea pig dying?

However, there are no behavioral cues that 100% guarantee that your guinea pig is dying; some may give no warning whatsoever, while others may appear to be on their deathbeds but live for quite some time after. Some potential signs include: Loss of appetite. Slow movement or lack of activity.

How do you give a guinea pig a critical care?

To make up the Critical Care mixture you mix a small amount of water until a thick soup like consistency is formed. This is then syringed into your guinea pig. Once made up it can generally be stored as a mixture for up to 24 hours in the fridge.

How can I get my guinea pig to gain weight?

Guinea pigs that are prone to bladder stones should not eat pellets.
  1. For malnourished, sick, or underweight guinea pigs, you can temporarily offer alfalfa-based, instead of timothy hay-based, pellets.
  2. It can be helpful to add water and create a mush to encourage pigs with a poor appetite to eat.

How often should guinea pigs be fed?

Feed your guinea pig on a consistent schedule, twice a day, morning and evening. Guinea pigs will overeat if given the chance, so, to prevent obesity, remove pelleted food that is left uneaten after one hour and discard fresh fruits or vegetables that are left uneaten after 24 hours.

Is it normal for guinea pigs to lose weight?

A cavy who doesn't eat can die in a matter of hours. It's normal for older guinea pigs to become pickier about food and gradually lose weight. But there could be other reasons for the decreased appetite, so don't just assume that your senior cavy's weight loss is normal.

How do I give my guinea pig vitamin C?

Many guinea pigs will take the tablets like a treat and eat them, or they can be crushed and sprinkled on vegetables or pellets. Vitamin C can be added to the water, but there are problems with this method. The vitamin C quickly loses its potency in water (a fresh supply must be made at least daily, if not twice).

Can Feel guinea pigs bones?

Adult Guinea Pig
It is normal to feel the bones, especially in very young and older piggies. You test the heft by Feeling the upper Body. For a good weight/Body size Ratio, you should be able to just feel the ribs. If they are all sticking out, a piggy is underweight.

What is the most common cause of death in guinea pigs?

Pneumonia

Can guinea pigs get overweight?

Guinea Pig Weight. Top quality hay, pellets, bedding & more - view the range here Guinea pigs are prone to overeating and can get obese quite quickly as a result. Being overweight can cause stress to your cavy's joints as well as heart, digestive system and blood pressure.

What should a guinea pig weigh?

According to veterinary reference books female adult guinea pigs should weigh 700 to 900 grams and male guinea pigs should weigh 900 to 1200 grams. Hope this helps!

What happens when a guinea pig stops eating?

A: It does sound like your guinea pig is very, very sick. When a guinea pig does not eat, no matter what caused the anorexia, it also develops liver disease called hepatic lipidosis. This could be dental disease, liver disease, kidney disease, cancer, toxins, infection — the list just goes on.

How can I get my pig to gain weight?

To increase the weight of your pig, feed it foods that are high in fat, like skim milk and yogurt. Also, try feeding your pig more food than you normally do every day so it's taking in more calories.

What is wrong with my guinea pig?

Health Problems in Guinea Pigs. The following is a brief description of some of the more common problems of guinea pigs, which include respiratory infections, diarrhea, scurvy (vitamin C deficiency), tumors, abscesses due to infection, urinary problems, and infestations by lice, mites, or fungus.

What does an obese guinea pig look like?

Obese Guinea Pigs: In an obese guinea pig, if you gently inspect him, you won't be able to feel his ribs, spine or hips. He has no noticeable body shape and when he is standing you can't see his feet and his belly is on the floor. This is also very unhealthy and he will need an adjustment to his diet.

Why is my guinea pig losing weight but still eating?

If the only thing you have noticed in your guinea pig is weight loss, this can be caused by many things. Visit your veterinarian as soon as possible. Causes of weight loss include dental problems, liver or kidney diseases, intestinal disease, endocrine disease, infection and toxins — just to name a few.

Why is my guinea pig sneezing?

Guinea pigs can sometimes expel air from their nose and sneeze as we do. This will sound very high-pitched, but is unmistakably a sneeze. If your guinea pig is sneezing a lot, then it may be cause for concern, as it could be indicative of an infection or an allergy.

What food makes guinea pigs fat?

Hay And Guinea Pigs: Too much food and too little exercise are usually the cause of excess weight. One food that you can free-feed with confidence is hay. Guinea pigs rely on the high fiber of hay to wear down their constantly growing teeth and to keep their digestive tract moving.

What is a good weight for a guinea pig?

On average, male guinea pigs weigh between 910g and 1,360g. That's 2 – 3lb. And on average, a female guinea pigs weigh 608 – 1,130g, which is 1.5 – 2.5lb.

What is the best food for guinea pigs?

Fruit and vegetables: Fresh vegetables can be offered once a day and should be equivalent to about one cup total per guinea pig per day. Leafy greens like romaine lettuce, kale, cilantro or parsley should comprise the bulk of your pig's fresh produce.

What does it mean when your guinea pig loses weight?

If the only thing you have noticed in your guinea pig is weight loss, this can be caused by many things. Visit your veterinarian as soon as possible. Causes of weight loss include dental problems, liver or kidney diseases, intestinal disease, endocrine disease, infection and toxins — just to name a few.

What causes bladder stones in guinea pigs?

Guinea pigs often develop bladder stones composed of calcium carbonate. This can be the result of improper diet and cause a bladder infection. The bladder stones of guinea pigs cannot be dissolved with special medications or diets. The high calcium levels in some foods may increase the risk of bladder stone formation.

Can guinea pigs eat banana?

Bananas are safe for your guinea pig to eat. They are an excellent sweet treat – emphasis on the treat part. Because they are high in sugar, bananas should be fed rarely. Make sure to only feed your guinea pigs fresh, ripe bananas.

Do guinea pigs lose weight as they get older?

It's normal for older guinea pigs to become pickier about food and gradually lose weight. But there could be other reasons for the decreased appetite, so don't just assume that your senior cavy's weight loss is normal.

What can I feed my guinea pig daily?

Timothy hay: Provide an unlimited quantity of fresh timothy hay every day. Guinea pigs need continuous access to hay to aid their digestion and limit the growth of their teeth. Fruit and vegetables: Fresh vegetables can be offered once a day and should be equivalent to about one cup total per guinea pig per day.

Can guinea pigs eat oranges?

Yes, guinea pigs can eat oranges. This fruit is very beneficial for guinea pigs because oranges contain high amounts of vitamin C, which is crucial for their survival and health.

Can grapes kill guinea pigs?

Quick Overview Of “Guinea Pigs And Grapes”
Yes, Guinea pigs can eat grapes but only in small quantity. Guinea pigs cannot eat dried grapes at all; Dried grapes contain lot os sugar, which is really bad for your guinea pig. Although a piece will not kill them still, it's best avoided.

What can I feed my show pig to gain weight?

Younger, smaller pigs should be allowed to eat as much pig starter as they want. Pig starter feeds are 75 percent to 80 percent carbohydrate sources such as corn and sorghum. When a pig reaches about 170 pounds, switch to a feed that is lower in fat; otherwise his weight gain will be mostly fat.

What vegetables can I feed my guinea pig everyday?

Leafy greens like romaine lettuce, kale, cilantro or parsley should comprise the bulk of your pig's fresh produce. Vegetables like red or green pepper, broccoli and tomatoes have high levels of vitamin C in them and are great daily options. Add carrots, zucchini and sweet potato once or twice a week.

Why is my guinea pig not eating or drinking?

A guinea pig that is not eating or drinking needs to be seen by an exotics species veterinarian ASAP. Anything that causes your guinea pig not to eat/drink, such as disease, dental disease, pain, stress, or starvation, can lead to gastrointestinal stasis.

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