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Domestic chickens can be observed to have different states of alertness. Hens exhibit fear by increasing the time spent standing alert and increased preening. Before empathy in chickens was reported, other investigations demonstrated that hens avoid environments associated with higher preening rates and standing.
The chicken embryo is a unique model that overcomes many limitations to studying the biology of cancer in vivo. The chorioallantoic membrane (CAM), a well-vascularized extra-embryonic tissue located underneath the eggshell, has a successful history as a biological platform for the molecular analysis of cancer including viral oncogenesis, [8] carcinogenesis, [9] tumor xenografting, [1] [10] [11 ...
In the study of the biological sciences, biocommunication is any specific type of communication within (intraspecific) or between (interspecific) species of plants, animals, fungi, [1] protozoa and microorganisms. [2] Communication means sign-mediated interactions following three levels of rules (syntactic, pragmatic and semantic).
The avian immune system is the system of biological structures and cellular processes that protects birds from disease. The avian immune system resembles that of mammals since both evolved from a common reptilian ancestor and have inherited many commonalities. [1] They have also developed a number of different strategies that are unique to birds.
Brenda McCowan is a research behaviorist interested in evolutionary, biological, and ecological aspects of animal behavior and communication. Her work focuses on improving the health and welfare of domesticated production animals, captive species (zoo, laboratory), and wildlife using applied animal behavior and bioacoustics. [1]
The chicken is a sacred animal in many cultures and deeply embedded in belief systems and religious practices. [106] Roosters are sometimes used for divination, a practice called alectryomancy. This involves the sacrifice of a sacred rooster, often during a ritual cockfight, used as a form of communication with the gods. [107]
Biocommunication, the field of medical art and illustration, and other allied communication modalities; see Medical illustrator; Biocommunication (science), more specific types of communication within (intraspecific) or between (interspecific) species of plants, animals, fungi and microorganisms
The mouse (Mus musculus) has been used extensively as a model organism and is associated with many important biological discoveries of the 20th and 21st centuries. [39] Other examples include baker's yeast ( Saccharomyces cerevisiae ), the T4 phage virus, the fruit fly Drosophila melanogaster , the flowering plant Arabidopsis thaliana , and ...