Influence of energy and protein level in lactating sows diet on the mobilization of reserves from internal organs
2014
Maletić, Z. (Ministry of Agriculture, Forestry and Water Management of Republic of Srpska, Bijeljina (Bosnia and Herzegovina)) | Beuković, M. (Faculty of Agriculture, Novi Sad (Serbia). Department of Animal Science) | Glamočić, D. (Faculty of Agriculture, Novi Sad (Serbia). Department of Animal Science) | Beuković, D. (Faculty of Agriculture, Novi Sad (Serbia). Department of Animal Science) | Puvača, N. (Faculty of Agriculture, Novi Sad (Serbia). Department of Animal Science) | Ostojić, S. (Faculty of Agriculture, Novi Sad (Serbia). Department of Animal Science)
The aim of this paper was to investigate the effect of feeding sows in lactation, in diets with different levels of energy and protein to mobilization of reserves from internal organs. The experiment was conducted on 240 sows divided into two groups of 120 sows each, with two sub-groups of 60 sows. Experimental period lasted 65 days, and during the last 30 days of pregnancy and lactation, until weaning. For sows feeding a mixture of the standard composition and the quality, with the 15% crude protein, and 14 to 12 MJ ME / kg and 19% crude protein, and 14 to 12 MJ ME / kg of the mixture were used. Sows were divided into two groups and four subgroups consumed 2.20 and 3.30 kg of food per day. Based on the statistical analysis of the data it can be concluded that the different amounts of feeds with different levels of protein and energy in the diet resulted in the mobilization of the reserves from the internal organs of lactating sows. When we talk about the content of protein in the liver of lactating sows, statistically significant effect (P>0.05) to diets with 15% crude protein (19.04%) and 19% crude protein (19%) was not recorded. The same trend in the content of crude protein in the kidney (14.61 and 14.84%) was also observed, but with no statistically significant difference (P>0.05). Analysis of variance was established as statistically significant effects (P<0.01) protein content in the diet on protein content in the muscle of the heart muscle (17.59 and 18.71%). Effect of different energy level in mixture used for the diet of lactating sows, the protein content in the liver, kidneys and heart was missing.
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