Gaponov NV.

Animal Husbandry and Fodder Production. 2026. Vol. 109. No. 1. Р. 197-212.

doi: 10.33284/2658-3135-109-1-197

Original article

Metabolic intensity and productivity with the inclusion of white lupine in the diets of young pigs

 

Nikolay V Gaponov1

1All-Russian Lupine Scientific Research Institute – branch of the Federal Williams Research Center of Forage Production & Agroecology, Michurinskiy, Bryansk region, Russia

1nv.1000@bk.ru, https://orcid.org/0000-0002-5086-7943

 

Abstract. The presented work studies the effect of white lupine (Lupinus albus L.) in young pig diets on the nutritional value of the diets, productivity parameters, nutrient consumption for pork production, metabolism, and the biochemical composition of blood. It has been experimentally proven that the inclusion of the hull-free form of white lupine in the diet of young pigs helps to reduce the proportion of expensive high-protein feeds of animal origin and replace soybean and sunflower cake with decorticated white lupine. This contributes to an increase in weight gain in the experimental groups compared with the control group: in the 2nd, 3rd and 4th experimental groups – by 5.86%, 11.23% and 14.18%, respectively. The use of decorticated white lupine in the diets ensured gains with high feed costs; in the 2nd, 3rd and 4th experimental groups, feed costs were lower – by 5.54%, 10% and 12.42%. A similar trend was observed with regard to nutrient absorption: the consumption of metabolic energy in the second experimental group decreased by 5.81%, in group 3 – by 10.29% and in group 4 – by 12.54%. Crude protein consumption decreased in groups 2, 3 and 4 by 5.56%, 10.10% and 12.44%, respectively. Better nitrogen absorption from feed intake was recorded in experimental groups 2, 3 and 4 – by 5.10%, 6.30% and 6.82%, respectively. The digested fat content was also higher in experimental groups 2, 3, and 4 – by 5.00%, 6.11%, and 6.60%, respectively. Moreover, the blood biochemistry of young pigs remained within physiological norms, indicating the absence of pathological changes in the body. Analysis of transaminase activity revealed activation of intracellular mechanisms that stimulate protein synthesis and accelerate amino acid biosynthesis in young pigs.

Keywords: young pigs, white lupin, conversion, retention, nutritional value, nitrogen balance, biomarker, aminotransferase, enzyme

For citation: Gaponov NV. Metabolic intensity and productivity with the inclusion of white lupine in the diets of young pigs. Animal Husbandry and Fodder Production. 2026;109(1):197-212. (In Russ.). https://doi.org/10.33284/2658-3135-109-1-197

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Information about the authors:

Nikolay V Gaponov, Cand. Sci. (Biology), Leading Researcher, Department of Lupine Processing and Food Use, All-Russian Lupine Research Institute – Branch of the Federal Williams Research Center of Forage Production and Agroecology, Bryansk region, Bryansk district, Michutinskiy village, st. Beryozovaya, 2, Russia, 241524.

The article was submitted 26.08.2025; approved after reviewing 15.01.2026; accepted for publication 16.03.2026.

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