New Pellet Feeds for Rabbits with a High Content of Nutrients and With the Addition of Dietary Supplements
Abstract
This research presented the pellet feed production line. Three pellet feed formulasfor young stock rabbits (28-135 days old) were developed with the addition of experimental dietary supplements grouped into the following protein green complexes (PGC):PGC-92-1including thе following supplements- dried herbal pulp from red clover, herbal alfalfa meal, and Sporotherminprobiotic; PGC-92-2 including the following supplements - protein feed concentrate from wheat stillage filtrate (syrup), herbal alfalfa meal, and Sporothermin probiotic; PGC-92-3 including the following supplements – PGC from red clover, herbal alfalfa meal,andSporothermin probiotic. These were compared with feed formulated without dietary supplements (PGC-92 (Control)). The nutritional value of the concentrate feeds met the requirements assigned for this group of animals. The storage of the formulatedconcentrate feeds took place in industrial conditions (the floor store) in paper bags of 30 kg per group at the temperature of 18-20 ∘C and the relative humidity of 65-70%. Due to itsmoisture content exceeding the standard requirements, the check concentrate feed (Control) revealed a higher content of fungal and bacterial microflora. The fat acidityvalue and the total acidity increased, which indicated the instability of this batch of concentrate feed during storage. The experimental batches of concentrate feed had a stablequality and retained good quality throughout the testing period. The testing of the effects of the studied complexes in fattening young stock rabbits was carried out on the premises of the Lipetsk Rabbit LLC industrial complex with 2000 rabbits. The use ofall-in-onepellet feedsformulated with the addition ofdietary supplements made it possible to increase the slaughter yield by 3.62%, 4.45% and 3.96%, while reducing feed intake per 1 kg of slaughter mass by 0.72 ECU, 0.38 ECU and 0.88 ECU. There was an increase in profit of 17725.25rubles, 16114.38 rubles and 14168.55 rubles, and an increase in the level of profitability by 45.93%, 41.26% and 31.24%, which resulted from a highersafety andgrowth performance of the raised rabbits.
Keywords: concentrate feeds, pellet feeds, dietary supplements, protein green complex, feed for rabbits, growth performance
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