Search academic texts

Information × Registration Number 0219U000599, 0116U002153 , R & D reports Title To substantiate the system of selection and selection of animals to increase the genetic potential of the productivity of pigs of different breeds. popup.stage_title Head Nebilita Nikolai Stepanovich, Registration Date 11-02-2019 Organization Cherkassy experimental station furs animals breeding and hunting of Cherkassy institute of agroindustrial production popup.description2 The object of research: the process of improving the level of average daily gain of live weight, body length, life span thickness, age of achievement of live weight of 100 kg of young pigs, indicators of reproductive qualities of sows, evaluation of herders, genealogical structure of herds, selection genetic parameters of the main characteristics of productivity. Research methods - zootechnical, biometric, analytical s. In the course of the research, information on the productive qualities of 270 goals was collected. large white breed pigs, landrace and Alba synthetic line of English origin and large white and red white-belted breeds of domestic breeding in the farms of the breeding plant LLC "SE Zolotonoshsky" information and Mayak-Agro Ltd., to determine the best maternal form on a double-breed basis. The genotypic variability and consolidation of the characteristics of the own productivity of breeding pigs Large white and landrace of English origin in the context of genealogical lines and families. The smallest coefficients of variation in the lines of large white breed showed signs of body length (4.4%) and age attaining a live weight of 100 kg (13.7%), a similar pattern occurred in the Landrace breed families, respectively - 5.9% and 15 3%. Animals of the Saturn line were more important for phenotypic consolidation in average daily gain (0.171) and fat thickness (0.118), and smaller - in Victor’s body length (-0.196) . The coefficients of genotypic consolidation of paternal and maternal BLUP-indices were determined with the improvement of genealogical lines and families with a separate selection by year of use. The dependence of the degree of consolidation of lines in a large white rock from the year of their use has not been established. In addition, the average paternal BLUP-index in 2013-2014 decreased by 1.9 points compared with the period 2007-2008. However, in landrace breed pigs, the average maternal BLUP-index in 2013-2014 increased by 16 points compared with the period 2007-2008. In addition, during 2007–2014, there was a tendency to increase by 8.5% the number of consolidated families and a decrease of 16.3% of unconsolidated. It was determined that the selection effect from optimization of selection and selection according to the BLUP index in herds of rocks is largely white, Landrace and Alba synthetic line of English origin will allow increasing the multiplicity of sows by 0.14-0.40 per year. and live weight of piglets at 0.18-0.44 kg. It has been established that the combination of large white breeding pigs of domestic breeding with landrace boars of English origin is the best, as the maternal form, for obtaining two-breed pigs F1 for farms in the region with medium and high feeding levels for pigs and satisfactory housing conditions. Product Description popup.authors Бащенко Михайло Іванович Бойко Олександр Васильович Ващенко Олександр Валерійович Небилиця Микола Степанович Сотніченко Юлія Миколаївна popup.nrat_date 2020-04-02 Close