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Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Influence Of Crossbreeding On Meat Goat Doe Fitness When Comparing Boer F1 With Base Breeds In The Southeastern United States, Piush Khanal, Maria L. Leite-Browning, Richard Browning Jr.
Influence Of Crossbreeding On Meat Goat Doe Fitness When Comparing Boer F1 With Base Breeds In The Southeastern United States, Piush Khanal, Maria L. Leite-Browning, Richard Browning Jr.
Agricultural and Environmental Sciences Faculty Research
Understanding fitness level among various breeds is essential for sustainable meat goat production. Research on the relative fitness of Boer F1 does and straightbred base breed has been limited. Meat goat does of various genotypes (Boer, Kiko, Spanish, Boer × Kiko reciprocal F1 crosses, and Boer × Spanish reciprocal F1 crosses) were studied to evaluate breed effects on doe fitness traits and the expression of heterosis over 7 production years. The herd was semi-intensively managed under humid subtropical pasture. Doe age affected (P < 0.05) various traits. Boer × Kiko does were heavier (P < 0.05) than Boer does at fall breeding, but Boer × Spanish does did not differ (P > 0.05) from Boer does for breeding weight. The body weights of …
Seroprevalence And Participatory Epidemiology Of Camelpox In Afar Region Of Ethiopia, Weldegebrial G. Aregawi, Getahun E. Agga, Jemal Gishe, Reta D. Abdi
Seroprevalence And Participatory Epidemiology Of Camelpox In Afar Region Of Ethiopia, Weldegebrial G. Aregawi, Getahun E. Agga, Jemal Gishe, Reta D. Abdi
Public Health, Health Administration, and Health Sciences Faculty Research
Camelpox is endemic in most camel rearing regions of the world, causing significant economic losses. However, its epidemiology is not extensively investigated. We conducted a cross sectional seroprevalence study of camelpox in Amibara and Awash Fentale districts in Afar region of Ethiopia from November 2014 to May 2015. In addition, participatory epidemiology (PE) was conducted to identify seasonal occurrence of the disease in the study districts. Blood samples were collected from 384 dromedary camels from 31 herds distributed in five pastoral associations (PAs) in the two districts. Serum samples were separated from the blood samples and tested for the presence …
Transcriptional Profiling Of Liver During The Critical Embryo-To-Hatchling Transition Period In The Chicken (Gallus Gallus), Larry A. Cogburn, Nares Trakooljul, Chuming Chen, Hongzhan Huang, Cathy H. Wu, Wilfrid Carré, Xiaofei Wang, Harold B. White Iii
Transcriptional Profiling Of Liver During The Critical Embryo-To-Hatchling Transition Period In The Chicken (Gallus Gallus), Larry A. Cogburn, Nares Trakooljul, Chuming Chen, Hongzhan Huang, Cathy H. Wu, Wilfrid Carré, Xiaofei Wang, Harold B. White Iii
Biology Faculty Research
Background
Although hatching is perhaps the most abrupt and profound metabolic challenge that a chicken must undergo; there have been no attempts to functionally map the metabolic pathways induced in liver during the embryo-to-hatchling transition. Furthermore, we know very little about the metabolic and regulatory factors that regulate lipid metabolism in late embryos or newly-hatched chicks. In the present study, we examined hepatic transcriptomes of 12 embryos and 12 hatchling chicks during the peri-hatch period—or the metabolic switch from chorioallantoic to pulmonary respiration.
Results
Initial hierarchical clustering revealed two distinct, albeit opposing, patterns of hepatic gene expression. Cluster A genes …
Transcriptional Profiling Of Liver In Riboflavin-Deficient Chicken Embryos Explains Impaired Lipid Utilization, Energy Depletion, Massive Hemorrhaging, And Delayed Feathering, Larry A. Cogburn, Danielle N. Smarsh, Xiaofei Wang, Nares Trakooljul, Wilfrid Carré, Harold B. White Iii
Transcriptional Profiling Of Liver In Riboflavin-Deficient Chicken Embryos Explains Impaired Lipid Utilization, Energy Depletion, Massive Hemorrhaging, And Delayed Feathering, Larry A. Cogburn, Danielle N. Smarsh, Xiaofei Wang, Nares Trakooljul, Wilfrid Carré, Harold B. White Iii
Biology Faculty Research
Background
A strain of Leghorn chickens (rd/rd), unable to produce a functional riboflavin-binding protein, lays riboflavin-deficient eggs, in which all embryos suddenly die at mid-incubation (days 13-15). This malady, caused by riboflavin deficiency, leads to excessive lipid accumulation in liver, impaired β-oxidation of lipid, and severe hypoglycemia prior to death. We have used high-density chicken microarrays for time-course transcriptional scans of liver in chicken embryos between days 9-15 during this riboflavin-deficiency-induced metabolic catastrophe. For comparison, half of rd/rd embryos (n = 16) were rescued from this calamity by injection of riboflavin just prior to incubation of fertile …
A Comparative Analysis Of Microbial Profile Of Guinea Fowl And Chicken Using Metagenomic Approach, Sarayu Bhogoju, Samuel N. Nahashon, Xiaofei Wang, Carl E. Darris, Agnes Kilonzo-Nthenge
A Comparative Analysis Of Microbial Profile Of Guinea Fowl And Chicken Using Metagenomic Approach, Sarayu Bhogoju, Samuel N. Nahashon, Xiaofei Wang, Carl E. Darris, Agnes Kilonzo-Nthenge
Agricultural and Environmental Sciences Faculty Research
Probiotics are live microbial feed supplements that promote growth and health to the host by minimizing non-essential and pathogenic microorganisms in the host’s gastrointestinal tract (GIT). The campaign to minimize excessive use of antibiotics in poultry production has necessitated development of probiotics with broad application in multiple poultry species. Design of such probiotics requires understanding of the diversity or similarity in microbial profiles among avian species of economic importance. Therefore, the objective of this research was to establish and compare the microbial profiles of the GIT of Guinea fowl and chicken and to establish the microbial diversity or similarity between …