Pig Breeding 2024 №3(81)

INFLUENCE OF THE BODY CONDITION OF SOWS ON THEIR REPRODUCTIVE QUALITIES AND FEEDING INDEXES OF THE YOUNG PIGS OBTAINED FROM THEM

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UDC: 636.4.082.4

DOI: 10.37143/2786-7730-2024-3(81)4

REFERENCIS АРА style: Vovk, V. O., Tsereniuk, O. M., Akimov, O. V., & Borzhak, T. M. (2024). Vplyv kondytsii tila svynomatok na yikh vidtvoriuvalni yakosti ta vidhodivelni pokaznyky otrymanoho vid nykh molodniaku [Influence of the body condition of sows on their reproductive qualities and feeding indexes of the young pigs obtained from them]. Svynarstvo i ahropromyslove vyrobnytstvo [Pig Breeding and Agroindustrial Production]. Poltava, 3(81), 38-47 [in Ukrainain]. doi: 10.37143/2786-7730- 2024-3(81)4

V. O. Vovk, candidate of agricultural sciences, senior researcher? acting head of the lab. breeding and selection of pigs
ORCID:https://orcid.org/0000-0001-5666-746X
E-mail:vitaliyvovk2017@ukr.net
Institute of Pig Breeding and agroindustrial production NAAS, Shvedska Mohyla Str., 1, Poltava, Ukraine, 36013
O. M. Tsereniuk,Doctor of Agricultural Sciences, Professor, director of the Institute of Pig Breeding and AIP of the NAAS,
ORCID:https://orcid.org/0000-0003-4797-9685
E-mail:tserenyuk@gmail.com
Institute of Pig Breeding and agroindustrial production NAAS, Shvedska Mohyla Str., 1, Poltava, Ukraine, 36013
O. V. Akimov candidate of agricultural sciences, senior researcher, leading researcher, lab. breeding and selection of pigs
ORCID:https://orcid.org/0000-0002-1938-0459
E-mail:akimov.kharkiv@gmail.com
Institute of Pig Breeding and agroindustrial production NAAS, Shvedska Mohyla Str., 1, Poltava, Ukraine, 36013
T. M. Borzhak researcher of the laboratory of scientific research on intellectual issues ownership and marketing of innovations,
ORCID:https://orcid.org/0000-0002-2836-627X
E-mail:tania96753@gmail.com
Institute of Pig Breeding and agroindustrial production NAAS, Shvedska Mohyla Str., 1, Poltava, Ukraine, 36013

Abstract

AObjective. Determining the influence o f the body conditions o f sows on the indicators o f their reproductive qualities and establishing the relationship with the subsequent productivity o f the offspring obtained from them. Methods. To carry out research, 3 groups o f sows with different conditions were formed: thin, normal, fat. Reproductive qualities were evaluated based on fertility, the number o f piglets at weaning, and the weight o f the nest at weaning. The feeding qualities o f the offspring were determined by the average daily growth, the age at which a live weight o f 100 kg was reached, and feed consumption per 1 kg o f growth (according to calculated data). The meat quality o f the offspring was assessed by the lard thickness index at the level o f 6-7 thoracic vertebrae. Results. As a result o f research, it was established that sows with lean condition were significantly inferior to others in terms o f multiple fertility, the number o f piglets at weaning, and the weight o f the nest at weaning (р<0.001). No significant difference was found between sows with normal and fa t condition in the number o f piglets at weaning, multifertility, the difference was significant only in the weight o f the nest at weaning (р<0.001). The young obtained from sows with fa t and normal conditions were almost at the same level in terms o f fattening qualities. Piglets obtainedfrom sows with lean conditions were significantly inferior to others in terms o f the age o f reaching live weight o f 100 kg (Р<0.05). No significant influence o f the body condition o f sows on the fa t thickness o f their offspring was recorded. Conclusions. A reliable influence o f the type o f body condition o f sows on their reproductive qualities was established (р<0.001). Sows with lean condition were significantly inferior to others in terms offertility (-2.9 head; -2 .7 head), number o f piglets at weaning (-2.6 head; -2.9 head), nest weight at weaning (-25.1 kg; -37.3 kg) (р<0.001). No significant difference was found between sows with fa t and normal condition in the number ofpiglets at weaning, multifertility, the difference was significant only in the index o f nest weight at weaning (12.2 kg) (р<0.001). The relationship between the type o f body condition o f sows and the fattening and meat qualities o f the offspring was determined (a reliable influence o f the type o f body condition o f sows on the age o f reaching the live weight o f 100 kg in their offspring was established) (р<0.05). Piglets obtainedfrom sows with lean conditions were significantly inferior to others in terms o f the age o f reaching 100 kg live weight (2.3 days; 2.8 days) (р<0.05). The fattening qualities o f the young obtained from sows with fa t and normal conditions were almost at the same level. In terms o f meat qualities (based on the thickness o f lard at the level o f 6 - 7 thoracic vertebrae), no significant difference between the groups was found.

Key words: body condition, sows, reproductive qualities, fattening qualities, caliper, multifertility, nest weight

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