TITLE

SKIRTINGO KALCIO IR FOSFORO SANTYKIO LESALE ĮTAKA VIŠČIUKŲ BROILERIŲ PRODUKTYVUMUI BEI KRAUJO RODIKLIAMS

AUTHOR(S)
Jarule, Virginija; Gružauskas, Romas; Raceviciute-Stupeliene, Asta; Šašyte, Vilma; Semaškaite, Agila; Ruibys, Romas
PUB. DATE
March 2010
SOURCE
Veterinarija ir Zootechnika;2010, Vol. 49 Issue 71, p44
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The objective if this experiment was to investigate the influence of manocalcium phosphate and available phosphorus in the feed on the physiological state, productivity, feed intake, feed conversion ratio and mortality of chickens. Eight hundred ROSS 208 line 1 days age chickens were divided into 4 equal groups (Groups 1-4) with 200 chickens in each. The experiment lasted for 35 days. Chickens were fed ad libitum - Group 1 (controls), Groups 2-4 (experimental) with diet supplemented 1,3%, 0,45%, 1.45% and 2,45% of monocalcium phosphate, and 0.44%, 0.4%, 0.6% and 0.8% of available phosphorus, respectively. The chickens were weighed on 1, 8, 25 and 35 day of experiment and the consumption of feed was detected. At the end of experiment blood samples were collected from the underwing vein for detection of calcium (Ca) and phosphorus (P) levels in serum. This experiment demonstrated that for the optimal feed utilization and weight ratio, Ca/P ratio in the feed of chickens was in the level of 2-2.4:1, and available phosphorus - from 0.4 to 0.44% (Group 2). It was shown statistically significant correlation between phosphorus content in the feed and in serum of chickens. Further, pH corresponded physiological rate in all groups and showed the possibility of chickens to compensate the enlarged phosphorus content in the feed.
ACCESSION #
51360440

 

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