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Use of data mining algorithms in prediction of eggshell thickness from egg quality traits of Potchefstroom Koekoek layers.
Sci Rep
January 2025
Department of Biochemistry, Microbiology &Biotechnology, University of Limpopo, Private BagX1106, Sovenga, Limpopo, 0727, South Africa.
Egg quality is affected by lot of factors. Study was conducted to compare performance of data mining algorithms; Classification and regression tree (CART), Chi-square automatic interaction detection (CHAID), Exhaustive chi-square automatic interaction detection (Ex-CHAID) and Multivariate adaptive regression spline (MARS) in prediction of Potchefstroom Koekoek's eggshell thickness from egg quality traits. 350 eggs were collected at 31st to 39th week to examine the egg quality traits.
View Article and Find Full Text PDFThe Beneficial Dietary Effect of Dried Olive Pulp on Some Nutritional Characteristics of Eggs Produced by Mid- and Late-Laying Hens.
Foods
December 2024
Veterinary Research Institute, Hellenic Agricultural Organization, DIMITRA, 57001 Thessaloniki, Greece.
This research evaluated the impact of incorporating dried olive pulp (OP) into the feed of laying hens on the fatty acid profile, cholesterol, triglyceride, total phenolic, oleuropein and hydroxytyrosol content, and health lipid indices of eggs produced by mid- (39 weeks) and late-laying (59 weeks) birds. Over a 36-week trial, 300 eggs from 180 Isa-Brown hens, assigned to three dietary groups with different OP levels (CON, OP4 and OP6), were analyzed. OP reduced egg cholesterol, with significant effects in late-age eggs ( < 0.
View Article and Find Full Text PDFValidation of an infectious bronchitis virus GVIII-specific RT-PCR assay and first detection of IB80-like strains (lineage GVIII-2) in Italy.
Front Vet Sci
December 2024
Department of Animal Medicine, Production and Health (MAPS), University of Padua, Padua, Italy.
Infectious bronchitis virus (IBV) is a pathogen causing respiratory, renal and reproductive clinical forms in chickens of all ages and productive categories. Its proneness to mutation and recombination gave rise to a plethora of variants differing in terms of pathogenicity, antigenicity, and distribution, with relevant implications for disease control, mainly pursued by routine vaccination, and diagnosis, requiring a steady update of molecular and serological methods. Among the most recent additions to the current phylogenetic classification, based on S1 gene sequencing, is the discovery of an eighth genotype (GVIII), further divided into lineages GVIII-1 and GVIII-2.
View Article and Find Full Text PDFResistance intensity test (RIT): a novel bioassay for quantifying the level of acaricide resistance in Rhipicephalus microplus ticks.
Parasit Vectors
November 2024
Instituto de Pesquisas Veterinárias Desidério Finamor, Estrada Do Conde, 6000, Eldorado Do Sul, RS, 92990-000, Brazil.
Background: One bioassay for detecting acaricide resistance in livestock ticks is the adult immersion test (AIT), wherein engorged ticks are briefly immersed into a solution of a particular acaricidal compound and examined for mortality, their egg-laying capacity and offspring hatchability in vitro. Usually, the recommended label dose or an established discriminating dose of an acaricide is used to determine high mortality (≥ 95%) of susceptible tick strains. Such a test intends to detect the presence of resistance in a tick population.
View Article and Find Full Text PDFModern contraceptive utilization among street beggar women in the Sidama region of Ethiopia using bayesian model approach.
Reprod Health
November 2024
Department of Statistics, College of Natural and Computational Science, Hawassa University, Hawassa, Ethiopia.
Introduction: Contraceptive methods are techniques used to prevent pregnancy during sexual intercourse. The primary goal of contraception is to inhibit the fertilization of an egg by sperm or to prevent the implantation of a fertilized egg in the uterus. Unwanted pregnancy is a major challenge for street beggar women.
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