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Researchers have found evidence on maternal care and infanticide in female mice that were pregnant or lactating, when placed in a dangerous or safe environment. Female mice were placed in soiled bedding, with unfamiliar fecal cues of males which modeled a dangerous environment (UMB), or they were placed in a safe environment (NB) with neutral ...
Many people liken pet pigs to their pet dogs. Pigs are extremely intelligent, social, love to cuddle, and get along well with other animals. Another cute thing that they do just like dogs do is ...
Possible reasons it was not treated as a prevalent natural phenomenon include its abhorrence to people, the popular group and species selectionist notions of the time (the idea that individuals behave for the good of the group or species; compare with gene-centered view of evolution), and the fact that it is very difficult to observe in the field.
Pigs can use their knowledge of other pig perspectives to their own advantage and even to influence others' behavior. [1] In one study, pigs used their theory of mind skills to mislead other pigs away from food rewards. [1] Like corvids and primates, pigs are capable of tactical deception. [15] [16] Pigs can figure where humans are looking and ...
Pigs are social animals and a female's social support network can play an important role in postpartum piglet-directed aggression. Free ranging pigs form sounders, or small social units, give young gilts the opportunity to observe gestation and parturition and exposing them to normal maternal behavior. [7]
Romans sacrificed pigs to their gods and created an elaborate pork-based cuisine, including some dishes — such as roast udder of lactating sow — that could make even a gentile shudder ...
Altricial birds are less able to contribute nutrients in the pre-natal stage; their eggs are smaller and their young are still in need of much attention and protection from predators. This may be related to r/K selection; however, this association fails in some cases. [18] In birds, altricial young usually grow faster than precocial young.
The growth in publication of medical research papers using pigs and miniature pigs, and the research done on miniature pigs by organ system [104] Pigs, both as live animals and as a source of post-mortem tissues, are valuable animal models because of their biological, physiological, and anatomical similarities to human beings.