Brain, heart and lung weight in landrace pigs and their association with biochemical indicators
https://doi.org/10.31677/2072-6724-2024-73-4-151-157
Abstract
The genesis of internal organ systems is determined by a spectrum of various factors and characterizes the growth rate of animals, their constitution, resistance to diseases and the ability of animals to adapt to environmental conditions. An assessment of the absolute weight of the lungs, brain and heart of Landrace pigs of Irish selection was carried out. At the early stages of the technological cycle, a representative group of pigs was formed, taking into account their origin, sex, age, and live weight. The total number of animals was 12. The fattening of the animals took place in a large pig-breeding farm in the Altai Territory, where standard living conditions were provided according to the standards of meat fattening of animals. Vaccination of animals was carried out in accordance with the preventive plan, and systematic veterinary control was provided. At the end of the technological cycle, when the live weight reached 100 kg, slaughter was carried out on the basis of the current technological instructions. The absolute mass of organs without surrounding structures was determined by weighing on scales with a high accuracy class. The obtained data were evaluated using Microsoft Office Excel and the R programming language in the data analysis environment RStudio version 2022.07.2+576 (RStudio, PBC). Visual assessment showed the absence of pathoanatomic changes in organs. In all cases, based on the ShapiroWilk test, a normal distribution was established. In pigs, the median absolute lung weight was 447.8 g, brain – 81.6 g, for the heart – 33.8 g; 95% confidence interval for the lungs – 245,56 525,85 g, for the brain 45,33–98,42 g, for the heart – 190,21–404,49 g. The article provides indicators of variability of the trait in question. The interbreed differentiation of pigs by lung and heart weight has been established.
About the Authors
I. K. Biryulya
OOO «Elanko Rus»
Russian Federation
Russian Federation
Key Account Manager
Moscow
O. A. Zaiko
Novosibirsk State Agrarian University
Russian Federation
Russian Federation
PhD in Biology, Associate Professor
Novosibirsk
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Review
For citations:
Biryulya I.K., Zaiko O.A. Brain, heart and lung weight in landrace pigs and their association with biochemical indicators. Bulletin of NSAU (Novosibirsk State Agrarian University). 2024;(4):151-157. (In Russ.) https://doi.org/10.31677/2072-6724-2024-73-4-151-157
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