THE USE OF KOREAN PINE CONES IN FEEDING QUAILS
Abstract
Results are given from studies on the effectiveness of using husk of Korean pine cones as a source of biologically active substances in feeding quails during the period of their growth in order to improve quality of feeds and reduce their cost. A 60-day experiment was conducted on Japanese quails at 24 hours of age divided into four groups in 50 each, and kept in a chick battery under required microclimatic conditions. All the groups were on a basal (control) diet developed with a view to meeting their age and physiological characteristics, but quails from the second, third and forth groups were additionally fed on husk of Korean pine cones in doses of 1.5, 2.0, and 2.5 kg per tonne of combined feeds, respectively. There were studied effects of various dosages of the feed additive on safety of quails, their growth intensity, meat production performance, and hematological parameters. The optimum dosages of Korean pine cone husk cleaned from resins were found to be introduced into diets for quails during their growth period. Based on them, recommendations to form feed mixtures with this feed additive were developed. Chemical compositions of feeds and quail meat were analyzed at the biochemical laboratory in accordance with zootechnic analysis methods. It was found that adding a new supplement in the amount of 1.5–2.5 kg/t to combined feeds provided the increase in safety of quails by 2–4 percent and average daily liveweight gain by 3.15–6.99 percent while reducing feed consumption per unit of production by 4.4–19.1 percent. Feeding quails on husk of the cones in the indicated dosages contributed to increasing the eviscerated weight of quails by 2.06–9.80 percent, the slaughter yield by 0.81–4.27 percent on average, and improving the biological value of meat; this also had a positive effect on the zootechnic and economic performance of quail rearing. With that, hematological parameters of chickens remained within the physiological norm.
About the Authors
O. G. Merzlyakova
Siberian Research and Technological Design Institute of Animal Husbandry, SFSCA RAS
Russian Federation
Russian Federation
Senior Researcher,
Krasnoobsk, Novosibirsk Region, 630501
V. A. Rogachev
Siberian Research and Technological Design Institute of Animal Husbandry, SFSCA RAS
Russian Federation
Russian Federation
Doctor of Science in Agriculture, Laboratory Head,
Krasnoobsk, Novosibirsk Region, 630501
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Review
For citations:
Merzlyakova O.G., Rogachev V.A. THE USE OF KOREAN PINE CONES IN FEEDING QUAILS. Siberian Herald of Agricultural Science. 2017;47(2):79-84. (In Russ.)
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