Blood Meal
Blood Meal - Related Videos
09:05
Meal Duration as a Measure of Orofacial Nociceptive Responses in Rodents
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Cited by 3 •
2014
A lengthening in meal duration represents orofacial nociceptive behavior in rodents similar to the guarding behavior of humans with orofacial pain. Eating is a behavior that requires no training or animal manipulation, requires cortical participation, and is not competing with other experimentally induced behaviors, distinguishing this assay from alternative reflex or operant measurements.
08:09
Preparation and Testing of Plant Seed Meal-based Wood Adhesives
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Cited by 15 •
2015
To facilitate the effort in seeking more economic and environment-friendly formulations of natural product-based wood adhesives, this work demonstrates the preparation and testing of plant seed-based wood adhesives. This protocol allows one to assess plant seed-based agricultural products as suitable candidates for the substitution of synthetic-based wood adhesives.
09:42
Feeding and Quantifying Animal-Derived Blood and Artificial Meals in Aedes aegypti Mosquitoes
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Cited by 17 •
2020
The goal of this protocol is to deliver animal-derived and artificial blood meals to Aedes aegypti mosquitoes through an artificial membrane feeder and precisely quantify the volume of meal ingested.
06:32
Blood Withdrawal II
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2016
Source: Kay Stewart, RVT, RLATG, CMAR; Valerie A. Schroeder, RVT, RLATG. University of Notre Dame, IN The collection of blood from mice and rats for analysis can be done through a variety of methods. Each method of collection has variations in the type of restraint required, the invasiveness of the procedure, and the necessity of a general anesthetic.1Historically, the use of the retro-orbital sinus cavity has been used, but not without debate. The controversy related to the potential tissue...
06:17
Repeated Blood Collection for Blood Tests in Adult Zebrafish
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Cited by 87 •
2015
Repeated blood sampling is necessary and important in animal research. We developed a novel, non-lethal and reliable method for repeated blood collection from adult zebrafish, and applied this method to the study of blood biochemistry, including glucose metabolism.
FAQs
Breaching host tissue during feeding can provoke inflammation and activate immune defenses against both salivary proteins and microbes deposited at the feeding site. These responses are important because they reveal how the host detects the feeding arthropod and associated infectious material, while also highlighting the biological interface where vector feeding and infection-related processes overlap.
Hemoglobin, plasma proteins, and other blood components supply nutrients that the arthropod processes in its gut. Their digestion links feeding to growth, reproduction, and development, while also creating a gut environment relevant to microbial survival. Studying these blood-derived nutrients therefore helps explain how nutrition can affect interactions between vectors, parasites, and infectious agents.
A feeding event can expose an arthropod to pathogens present in host blood, making the gut a key setting for studying pathogen acquisition. Blood-derived nutrients may also influence microbial survival and the arthropod’s ability to support later transmission. These relationships help researchers examine vector-host interactions and understand variation in vector competence, or capacity to transmit infection.
Researchers examine the feeding site, host inflammatory and immune responses, salivary proteins, deposited microbes, and the fate of blood components in the arthropod gut. They also consider how these features relate to pathogen acquisition, microbial survival, and transmission. Together, these variables connect host defense, arthropod nutrition, and infection biology within one experimental system.
Studies compare what occurs during feeding with the downstream effects in the host and arthropod. Investigators can assess immune activation at the bite site, digestion of blood components, and changes relevant to pathogen survival or transmission. This approach clarifies how a single feeding event links host tissues, arthropod physiology, and infectious processes.
Blood meals provide a framework for examining how disease-associated vectors acquire and potentially transmit infectious agents. In malaria research, the focus can include parasite interactions with the blood-feeding arthropod; in arbovirus research, it can include pathogen survival and transmission-related interactions. The broader value is connecting vector feeding biology with mechanisms that shape disease spread.
Blood meal studies can identify biological conditions associated with an arthropod’s ability to acquire, maintain, and transmit pathogens. Researchers may relate blood-derived nutrients and gut processes to microbial survival, then connect those findings with host immune responses and feeding-site events. Such results help explain why vector-host interactions can influence transmission efficiency.