Marriage between humans and non-human animals, is not recognized in law by any country at present. This is something unacceptable and indigestible,the more people approach to new scientific era the more they become uncultured. Don’t you think, going out of nature will destroy the biological chain of nature? Soon the day will come when the entire human races will be the pits and will have to face decisive situation which will be a great havoc.
Let me take you to 20th Century for a valid reason, you must have heard about the HIV AIDS.( Acquired immune deficiency syndrome) , the infectious agent that causes AIDS, is thought to have originated in non-human primates in sub-Saharan Africa and to have been transferred to humans during the 20th century.
Two species of HIV infect humans: HIV-1 and HIV-2. HIV-2 have originated from the Sooty Mangabey (Cercocebus atys), an Old World monkey of Guinea-Bissau, Gabon, and Cameroon
Facts about Marriage between Human and Animals;
June 2006 - an Indian woman from Bhubaneswar, Orissa, allegedly "fell in love with a snake" and was married to it at a "traditional Hindu wedding celebrated by 2,000 guests". She claimed that a bond of understanding existed between the two. The woman had previously been ill, and recovered upon offering milk to the snake, at which time she fell in love. She later "converted to the animal-loving vegetarian Vaishnav sect whose local elders gave her permission to marry the cobra.
An investigation by Harper's magazine journalist Mischa Berlinski suggests that the snake may not even exist at all and that the incident may have been stage-managed as part of a local power struggle between Vaishnav religious leaders.
June 2003 - a nine year old Indian girl of the Santal (or 'Santhal') tribe of Khanyhan, near Calcutta was formally married to a dog, in order to ward off a bad omen. The wedding was attended by more than one hundred guests, who danced to the beating of drums and drank home-made liquor. The girl told Western press, "I have no regret in marrying the dog Bacchan. I am fond of the dog who moves around our locality," and tribal elders added she was free to remarry in future as an adult.
November 2007 - A man in southern India married a female dog in a traditional Hindu ceremony as an attempt to atone for stoning two other dogs to death — an act he believes cursed him. Selvakumar, 33, told the paper he had been suffering since he stoned two dogs to death and hung their bodies from a tree 15 years ago.
February 2006 - a Sudanese man caught having sex with a neighbour's goat which was subsequently nicknamed Rose, was ordered by the council of elders to pay the neighbour a dowry of 5,000 Sudanese dinars ($50) and marry the animal.
Hope you understood, why such perform is always deadliest and this is what exactly I am trying to explain here with an example of AIDS which link between animals and human beings. If we continue such perform then I am sure one more fatal ailment will born again and we will struggle once more like we are now besieged with AIDS.