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Full-Text Articles in Medicine and Health Sciences
Risk Factors Of Gastrointestinal Nematode Parasite Infections In Small Ruminants Kept In Smallholder Mixed Farms In Kenya., Agricola Odoi, J M. Gathuma, C K. Gachuiri, A Omore
Risk Factors Of Gastrointestinal Nematode Parasite Infections In Small Ruminants Kept In Smallholder Mixed Farms In Kenya., Agricola Odoi, J M. Gathuma, C K. Gachuiri, A Omore
Agricola Odoi
BACKGROUND: Helminth infections in small ruminants are serious problems in the developing world, particularly where nutrition and sanitation are poor. This study investigated the burden and risk factors of gastrointestinal nematode parasite infections in sheep and goats kept in smallholder mixed farms in the Kenyan Central Highlands. Three hundred and seven small ruminants were sampled from 66 smallholder mixed farms in agro-ecological zones 1 (humid) and 3 (semi-humid) in the Kenyan Central highlands. The farms were visited once a month for eight months during which a health and production survey questionnaire was administered. Fecal samples were collected at each visit …
Development Of A Mechanistic Model To Represent The Dynamics Of Liquid Flow Out Of The Rumen And To Predict The Rate Of Passage Of Liquid In Dairy Cattle, S Seo, Cristina Lanzas, L O. Tedeschi, D G. Fox
Development Of A Mechanistic Model To Represent The Dynamics Of Liquid Flow Out Of The Rumen And To Predict The Rate Of Passage Of Liquid In Dairy Cattle, S Seo, Cristina Lanzas, L O. Tedeschi, D G. Fox
Cristina Lanzas
A mechanistic and dynamic model was developed to represent the physiological aspects of liquid dynamics in the rumen and to quantitatively predict liquid flow out of the reticulorumen (RR). The model is composed of 2 inflows (water consumption and salivary secretion), one outflow (liquid flow through the reticulo-omasal orifice (ROO), and one in-and-out flow (liquid flux through the rumen wall). We assumed that liquid flow through the ROO was coordinated with the primary reticular contraction, which is characterized by its frequency, duration, and amplitude during eating, ruminating, and resting. A database was developed to predict each component of the model. …
Ultraviolet Radiation Stimulates Expression Of Snail Family Transcription Factors In Keratinocytes. Hudson L, Choi C, Newkirk K, Parkhani J, Cooper K, Lu P, Kusewitt D, Kim M. Newkirk
Kim M Newkirk
No abstract provided.
Uveal Spindle Cell Tumor Of Blue-Eyed Dogs: An Immunohistochemical Study. Zarfoss M, Klauss G, Newkirk K, Kiupel M, Jones Y, Colitz C, Weisbrode S, Kusewitt D, Dubielzig R., Kim M. Newkirk
Kim M Newkirk
No abstract provided.
Snai2 Expression Enhances Uvr-Induced Skin Carcinogenesis. Newkirk K, Parent A, Fossey S, Choi C, Chandler H Rajala-Schultz P, Kusewitt D., Kim M. Newkirk
Snai2 Expression Enhances Uvr-Induced Skin Carcinogenesis. Newkirk K, Parent A, Fossey S, Choi C, Chandler H Rajala-Schultz P, Kusewitt D., Kim M. Newkirk
Kim M Newkirk
No abstract provided.
Ultraviolet Radiation Exposure Induces Corneal Degeneration In 129 Mice. Newkirk K, Chandler H, Parent A, Young D, Colitz C, Wilkie D, Kusewitt D, Kim M. Newkirk
Kim M Newkirk
No abstract provided.
Evaluation Of Protein Fractionation Systems Used In Formulating Rations For Dairy Cattle, Cristina Lanzas, S Seo, L O. Tedeschi, D G. Fox
Evaluation Of Protein Fractionation Systems Used In Formulating Rations For Dairy Cattle, Cristina Lanzas, S Seo, L O. Tedeschi, D G. Fox
Cristina Lanzas
Production efficiency decreases when diets are not properly balanced for protein. Sensitivity analyses of the protein fractionation schemes used by the National Research Council Nutrient Requirement of Dairy Cattle (NRC) and the Cornell Net Carbohydrate and Protein System (CNCPS) were conducted to assess the influence of the uncertainty in feed inputs and the assumptions underlying the CNCPS scheme on metabolizable protein and amino acid predictions. Monte Carlo techniques were used. Two lactating dairy cow diets with low and high protein content were developed for the analysis. A feed database provided by a commercial laboratory and published sources were used to …
Digestion Kinetics Of Dried Cereal Grains, Cristina Lanzas, A N. Pell, D G. Fox
Digestion Kinetics Of Dried Cereal Grains, Cristina Lanzas, A N. Pell, D G. Fox
Cristina Lanzas
Grain fermentability largely determines the feed value of grains for ruminants. Our objective was to evaluate the variation in kinetics of gas production of cereal grains and the relationship among gas production, chemical composition and feed value. Eighteen barley, 99 corn, 23 sorghum, and 57 wheat samples were fermented in vitro for 48 h. Gas production was measured with a computerized system and an exponential model was fitted to the data. The impact of the variation in composition and kinetics on the feed value of grains in feedlot rations was assessed with the Cornell Net Carbohydrate and Protein System (CNCPS). …
A Revised Cncps Feed Carbohydrate Fractionation Scheme For Formulating Rations For Ruminants, Cristina Lanzas, C J. Sniffen, S Seo, L O. Tedeschi, D G. Fox
A Revised Cncps Feed Carbohydrate Fractionation Scheme For Formulating Rations For Ruminants, Cristina Lanzas, C J. Sniffen, S Seo, L O. Tedeschi, D G. Fox
Cristina Lanzas
Balancing ruminant diets for appropriate levels and types of dietary carbohydrates (CHO) is necessary to maximize production while assuring the health of the animals. Several feed fractions (i.e., volatile fatty acids (VFA), lactate, sugars, starch) are now being measured in some commercial feed laboratories and this information may assist in better formulating diets. A CHO fractionation scheme based on ruminal degradation characteristics needed for nutritional models is described and its impact on predictions with the Cornell Net Carbohydrate and Protein System (CNCPS) is assessed. Dietary CHO are divided into eight fractions: the CA1 is volatile fatty acids (VFA), CA2 is …