How To Tell The Gender of a Guinea Pig
Pet stores are notorious for sending home two "same sex" guinea pigs that are anything but, so check yourself or have a vet check your pigs for you. Should you determine you have a male and female, separate them immediately whether you suspect the female is pregnant or not. Boars male guinea pigs are generally larger than females, have smaller nipples, and when sexually mature, clearly visible scrotal pouches. Gently pressing on the belly near the genitals will allow the penis to emerge. Sows female guinea pigs have a Y shaped opening which is usually sealed with a vaginal closure membrane, according to Harkness and Wagner. Pups young pigs can be difficult to sex.
Don't be fooled by appearances. Sometimes, it doesn't look like there is a penis there at all!
Especially in heavy, older males, the penis can be "tucked away" in folds of skin, looking entirely like a female! You should TRY to get the penis to ease out. If it is a male, you can usually feel the inner part of the shaft which is under the skin in the same area-just above the genitals - by very gently pressing and rubbing your finger over that area.
You will feel a "ridge" just above the penis. Also, if there is a pucker or protrusion of skin at the top of the genital area, then that is a good indication that there is a penis tucked away underneath. But, be sure to get it to extrude to confirm it.
Sex guinea pigs
This is an extremely important topic. It shows smaller thumbnails.
How To Tell The Gender of a Guinea Pig
Or go directly to the sexing album to view 6 photos at a time. ALL guinea pigs have 2 nipples. Males tend to have smaller nipples than females, but this is not a way to determine sex. Good back up on working with your vet as well.
I have labeled the images below the same images as those above to more clearly illustrate thesedifferences for you. Another thing to notice is the penis and prepuce of the male guinea pig, which is raised upabove the level of the surrounding skin in contrast with the female guinea pig's vulva, which isflush with the skin. The prepuce is raised and rounded like a button or dome and containsa central dot-like genital opening the entrance to the urethra.
Sexing guinea pigs photo 9: This is a photo of the genitals of a male guinea pig the same imageas that seen in images 5 and 7.
Left together in a single cage, a sexually mature male and female guinea pig can produce up to six offspring in just a matter of months. Looking at your cavies' genitals is the most reliable way to tell the difference between the boys and girls, as calls and behaviors between the sexes are very similar. ALL guinea pigs have 2 nipples. Males tend to have smaller nipples than females, but this is not a way to determine sex. Must have for Slaves: Diseases of Domestic Guinea Pigs ($ at Amazon) Lots of great info that you usually have to go searching for. Good back . Dec 12, It can be extremely difficult to determine the sex of a very young guinea pig. You can wait until the guinea pig is weeks old to sex it, Don't worry about handling young guinea pigs. Their mother will not reject them and early handling can help make them less afraid of humans%(78).
The hole in the penis the urethral opening has been drawn overin pink to clearly illustrate its round shape. Sexing guinea pigs photo This is a photo of the genitals of a female guinea pig the same imageas that seen in images 6 and 8.
The vulval opening has been drawn overin pink to clearly illustrate its elongated, slit-like shape.
The female guinea pig has a distinctive "Y" shape between her anus and vulva. Sexing guinea pigs pictures 11 and These are photos of the genitals of a female guinea pig. They illustrate the distinctive "Y" shaped groove found in the perineal skin between the female guinea'sanus and vulva.
The "Y" has been marked in blue on image This "Y" shape occurs even in very youngguinea pigs guinea pig babies and is a useful way of sexing even very young female cavies. Male guineapigs do not have this "Y" shape.
The genital region of male guinea pigs appears to bulge outwards, due to the presence of enormous testicles in the scrotum. The scrotal sac or scrotum is a bulging out-pouching of skin that contains thetesticles of male animals. In most animals, this scrotum is a distinctly obvious, bulging "bag" that is located somewhere between the anus and the penis of the male individual.
In male guinea pigs, however, the scrotum is not the bulbous "pouchof testicles" sitting just above the penis, as is seen in most other male animals.
Handle your pet guinea pigs very gently and quietly. Hold your guinea pigs firmly around the body (chest and shoulders). Perform guinea pig sexing or any guinea pig examination on the floor or on a very low table (e.g. Rest your guinea pigs on a clean towel on their backs or rumps (holding them. Boars (male guinea pigs) are generally larger than females, have smaller nipples, and when sexually mature, clearly visible scrotal pouches. Gently pressing on the belly near the genitals will allow the penis . Since Guinea pigs are capable of breeding at an early age of 3 - 4 weeks, it is vital that you are aware that you're getting the same sex to avoid unplanned breeding. Furthermore, the gender plays a big role when it comes to their behavior.
In male guinea pigs, the testicles are huge: far too big to fit comfortably into the small patch of skinlocated between the anus and the penis. Instead of sitting just below the anus, heldwithin a discrete scrotal bag, the male guinea pig's testicles tend to be positioned just under the skin alongside the anus and penis unit one testicle on each side.
This lateral positioning of the enormousguinea pig testicles makes the entire genital and anal region of the male guinea pigappear to bulge outwards, as the guinea pig pictures below illustrate. Guinea pig gender photos 13 and These are photos of the genitals of a male guinea pig. The anus and penis marked in image 14 have been indicated in previous sections on guinea pig genital anatomy, however, no mention of the guinea pig's testicles testes and scrotum has previously been made up untilthis point.
How to Determine the Sex of a Guinea Pig
The presenceof these two bulges makes the entire genital region of the male guinea pig look as though it is bulgingor protruding outwards. These bulges are the male guinea pig's equivalent of a scrotal sac though not quite the discrete, pouchy scrotal sac seen in other male animal species : each bulgecontains a large testicle.
The right and left testicle regions have been indicated in blue on picture 14 of this sexing guinea pigs page. This testicle moves freely back and forth beneath the scrotal skin it is not locked into place within the scrotal sac like that of the dog, cat and horse and caneven be retracted back into the guinea pig's abdomen at will!
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Important author's note: The inability to palpate a testicle in a suspect-male guinea pig'sscrotal region does not rule out that guinea pig as being a male. Guinea pigs are able to deliberately retract their testicles up into their abdominal cavity where they can not be palpated.
Waiting until the animal is relaxed is more guarantee of guinea pig testicles being able to be palpated when sexing guinea pigs.
To go from this sexing guinea pigs page to our great homepage, click here. To go from this guinea pig sexing page to our sexing animals page, click here. Should you determine you have a male and female, separate them immediately whether you suspect the female is pregnant or not. Boars male guinea pigs are generally larger than females, have smaller nipples, and when sexually mature, clearly visible scrotal pouches.
Gently pressing on the belly near the genitals will allow the penis to emerge. Sows female guinea pigs have a Y shaped opening which is usually sealed with a vaginal closure membrane, according to Harkness and Wagner. Pups young pigs can be difficult to sex. Waiting until two or three weeks of age may allow the pig to mature enough to make a determination easier. Small young male pigs have a donut shape to their rectum, totally round or slightly oval, and at the top of this donut, a little dot sometimes described as an "i".
Some people find they can feel the ridge of the penis under the skin just above the genitals.