Сравнительная оценка мясной продуктивности чистопородных и помесных овец курдючных пород в условиях Республики Каракалпакстан

В статье представлены данные о живой массе и мясной продуктивности первого поколения (F₁) помесных ягнят, полученных при скрещивании джайдарских овец с гиссарскими баранами, что является научной основой повышения мясной продуктивности курдючных пород овец в природно-климатических условиях Республики Каракалпакстан. Было установлено, что в 18-месячном возрасте ягнята второй группы (гиссарская чистая порода) и третьей группы (гиссарская х джайдарская) первого поколения (F₁) превосходили своих сверстников из первой группы (джайдарская чистая порода) по живой массе, соответственно, на 6,0 кг, или на 9,2% (р < 0,001), и на 4,4 кг, или на 6,7% (р < 0,01). Это свидетельствует о высоком генетическом потенциале этих животных в формировании живой массы и мясной продуктивности, а также их хорошей приспособляемости к внешней среде и высоком потенциале племенных баранов, а также об основных абсолютных и относительных показателях результатов убоя. II группа (чистая гиссарская порода) и III группа (½ гиссарская х ½ джайдарская) скрестили баранов первого поколения (F₁) по сравнению со своими сверстниками в I группе (джайдарская порода), соответственно, на 15,6 кг, или на 33,5% (р < 0,001), и на 5,6 кг, или на 12,0% (р < 0,01), неохлажденная масса туши — на 9,4 кг, или на 47,7% (р < 0,001), и на 5,2 кг, или на 26,4% (р < 0,01), убойная масса — на 13,5 кг, или на 59,5% (р < 0,001), и на 6,8 кг, или на 29,9% (р < 0,01), убойный выход у баранов — на 48,8% 58,3% и 56,7% соответственно, что на 9,5% и 7,9% выше, чем у сверстников I группы (джайдари). Таким образом, на основе научного обоснования повышения мясной продуктивности курдючных пород овец в природно-климатических условиях Республики Каракалпакстан полученные в результате скрещивания чистокровных гиссарских и джайдарских овец с гиссарскими овцами ягнята первого поколения (F₁) помес показали высокие показатели живой массы и мясной продуктивности, что свидетельствует о высоком генетическом потенциале их полноценными и нормированными кормами в условиях пастбищных условий. 

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