Hranidbena i mesna svojstva mladih svinja različitog intenziteta formiranja u ranoj ontogenezi i unutarpasminske diferencijacije prema genu za melanokortin 4 (Mc4r) receptor

Q3 Veterinary

Veterinarska stanica Pub Date : 2023-05-31 DOI:10.46419/vs.54.6.10

V. Khalak, V. Voloshchuk, О. Stadnytska, B. Gutyj, Liudmyla Zasucha, A. Onyshchenko, M. Ilchenko, Nataliia Ofilenko, V. Pokhyl, Vasul Pundyk, O. Bezaltychna

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Abstract

The aim of this study was to investigate young pig fattening and meat quality due to the varying formation intensities in early on- togenesis and two genotypes based on the mel- anocortin receptor 4 (Mc4r) gene. To calculate the correlations between traits and the econom- ic efficiency of using animals of experimental groups in industrial complex conditions, the assessment of animals for fattening and meat quality examined the following characteris- tics: average daily live weight gain during the control fattening period in grams; age of reaching 100 kg live weight in days, chilled car- cass length in centimetres; length of the bacon half of the cooled carcass in centimetres; lard thickness at the thoracic vertebrae T6-T7 in millimetres. Further, the biometric processing of research results and calculation of the eco- nomic efficiency was performed. Young pigs of the controlled population met the requirements of the 1st class and the elite class for fattening and meat qualities. In examining the interbreed differentiation of large white breed animals, the melanocortin 4 receptor (Mc4r) gene determined that the Mc4rAG genotype outperformed the Mc4r AA genotype for average daily live weight gain, age at live weight of 100 kg, lard thickness at T6-T7, and chilled carcass length by an average of 4.50%. The difference between groups for the Tyler B's index was 11.82 points, and according to the average daily increase in live weight, the disparity between young pigs of interbreed differentiation according to the formation intensity index was 4.69%, the age of reaching 100 kg live weight was 3.10%, and the chilled carcass length was 1.23%. The num- ber of reliable connections between fattening and meat qualities, and the formation inten- sity and Tyler B indices was 75.0%, indicating their promise for use in selection and breeding work. The maximum increase in additional production was obtained from young pigs of the Mc4r AG genotype (+2.71%) and of group I, in which the formation intensity index ranged from 0.935 to 1.087 points (+2.65%).

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幼猪的食物和肉的特性在个体发生早期和在pasmin内分化为黑素皮质素4基因受体（Mc4r）时各不相同

本研究的目的是研究幼猪育肥和肉质，这是由于早期胚胎发育中不同的形成强度和基于mel-anocortin受体4（Mc4r）基因的两种基因型。为了计算性状与在工业复杂条件下使用实验组动物的经济效率之间的相关性，对动物育肥和肉质的评估考察了以下特征：对照育肥期的平均每日活重增加（克）；达到100公斤活重的年龄（天），冷藏车长度（厘米）；培根的长度，冷却后的胴体的一半，以厘米为单位；胸椎T6-T7处的猪油厚度，单位为毫米。此外，对研究结果进行了生物特征处理，并计算了经济效率。对照群体的幼猪在育肥和肉质方面满足一级和精英级的要求。在检查大型白色品种动物的杂交分化时，黑素皮质素4受体（Mc4r）基因确定，Mc4rAG基因型在平均每日活重增加、活重100公斤时的年龄、T6-T7时的猪油厚度和冷藏胴体长度方面优于Mc4r AA基因型平均4.50%。两组之间的泰勒B指数差异为11.82分，根据平均日增重，根据形成强度指数进行杂交分化的幼猪之间的差异为4.69%，达到100公斤活重的年龄为3.10%，冷藏胴体长度为1.23%。育肥与肉质之间的可靠联系数，形成指数和Tyler B指数为75.0%，表明其在选育工作中的应用前景。附加产量的最大增加来自Mc4r AG基因型（+2.71%）和I组的幼猪，其中形成强度指数在0.935-1.087点之间（+2.65%）。

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来源期刊

Veterinarska stanica Veterinary-Veterinary (all)

CiteScore

1.10

自引率

0.00%

发文量

期刊介绍： The goal of the journal is to provide an international platform for the publication of articles in the fields of veterinary and animal sciences, and biotechnology. The content of the journal is particularly dedicated to veterinary practitioners, but also to veterinary scientists and university professors, to encourage them to share their knowledge and experience on this platform. Manuscripts submitted to the journal may include: original scientific papers, review articles, short communications, professional articles, case reports, conference reports and literary records and reviews of new book either in Croatian or English languages.