What does real dog cum look like? Some people may not know so here it is: Real cum: Dogs ejaculate semen as three distinctive fractions: 1. Pre-sperm fraction: this is usually slightly cloudy in appearance and has a volume of roughly 0.5 to 2 ml. 2. Sperm-rich fraction: in normal dogs, this...
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Fake cum is made of methylcelulose or similar substances.
It is used in commercial porn usually with dogs and horses for two reasons:
1. Dog cum is usually not impressive. It is watery and there is not much of it.
2. Horses are not easy to masturbate and if you have ever seen an actual horse sex, handling that is difficult and can be dangerous when done by a paid nonzoophile actress instead of a knowledgeable zoophile.
It is usually done by the means of a "mysterious cut" where the actress is sucking on a dick (limp and of an uninterested animal usually

), then there is a cut and the actress spits out a mouthful of Elmer's glue pretending it is cum.
For dogs this is obvious bullshit since everybody who has ever seen an actual dog cum knows it is not thick.
For horses it is more tricky, but if there is a cumshot and there is no flare it is fake.
Sometimes it is done by holding a tube behind the penis and a second person then squirts the "cum" through it.
It is actually also abusing the customers for several reasons:
1. If you paid for it, you got fake content, they lied to you and took your money.
2. It shows incorrect behavior of the animals, they lied to you.
3. It sets unreasonable expectations if you ever try to do that yourself.
This ties to the animal abuse present in commercial porn too.
Horses are often drugged to stay calm, bound and denied orgasm because they use fake cum.
Animals in commercial porn are often trained for sex removing their ability to choose or they are bound or held in place and used as sex toys.
Supporting or promoting fake cum zoo porn directly promotes exploitation and abuse of animals for a financial gain and deceives customers.