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Full-Text Articles in Life Sciences

Variations In Carotenoids In Plasma From Jersey Cows At An Organic Dairy Compared To A Conventional Dairy Over Time, Jillian M. Smith Oct 2012

Variations In Carotenoids In Plasma From Jersey Cows At An Organic Dairy Compared To A Conventional Dairy Over Time, Jillian M. Smith

Honors Theses and Capstones

Interest in organic milk is increasing. By USDA Certified Organic standards, animals must be fed on pasture for a minimum of 120 days. Research indicates that various factors such as diet impact the nutritional quality and composition of milk. The objective of this study was to understand how feeding practices affected bovine plasma carotenoid concentrations over time. Plasma samples were collected from 9 cows fed on pasture at an organic dairy and from 9 cows fed total mixed ration (TMR) at a conventional dairy. Components were extracted from the plasma and separated via High Performance Liquid Chromatography. Results showed that …


Dust And Endotoxin In Laying Hen Dwellings, Kristina Matkovic, Marija Vucemilo, Bara Vinkovic Jan 2012

Dust And Endotoxin In Laying Hen Dwellings, Kristina Matkovic, Marija Vucemilo, Bara Vinkovic

Turkish Journal of Veterinary & Animal Sciences

Only healthy laying hens are capable of producing an average of 280 eggs in 1 year of exploitation. Production of consume eggs takes place in intensive housing systems where the laying hens are still mainly kept in cages under controlled conditions. Technical infrastructure and hygiene quality do not guarantee a production atmosphere completely free from pollutants, including potential pathological risk factors. Laying hens and farm workers are exposed to large quantities of bioaerosols in henhouses. Bioaerosols represent a mixture of different biological particles which can, under certain circumstances, cause health and welfare problems in animals. The most important components are …


Equidae Milk Promises Substitutes For Cow And Human Breast Milk, Akbar Nikkhah Jan 2012

Equidae Milk Promises Substitutes For Cow And Human Breast Milk, Akbar Nikkhah

Turkish Journal of Veterinary & Animal Sciences

Milk is the most nourishing natural biofluid. Milk bioactives contribute significantly to meeting nutrient requirements while minimizing the risks of cancers, traumas, and metabolic complexities. Some mothers may not be able to feed their infants breast milk for a prolonged period. Very young infants and the elderly may be intolerant to cow milk and its proteins and cholesterol. Thus, viable substitutes are needed to complement human breast milk in such cases. This review describes the most significant research findings to date and highlights the special nutritional and health properties of donkey and mare milks as promising substitutes for cow and …