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The Application of Synchronization Methods Using Prostaglandin F 2,by Intra Vaginal Sponges (IVS) and Intra Muscular (IM) to Improve Reproductive Performance of Thintailed Ewe Lambs

ANIMAL PRODUCTION

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Title Statement The Application of Synchronization Methods Using Prostaglandin F 2,by Intra Vaginal Sponges (IVS) and Intra Muscular (IM) to Improve Reproductive Performance of Thintailed Ewe Lambs
 
Added Entry - Uncontrolled Name Saoeni, R
 
Summary, etc. <p>The purpose of the experiment was to investigate the effect of different administration method of  PGF2a, i.e. intra vaginal sponges (IVS) and intra muscular (IM) on the <em>onset</em> and the duration of estrus, and <em>Non-return Rate</em> (NR) in thin tailed ewe lambs.  A total of 20 thin tailed ewe lambs, aged 12-15 months, were at random assigned to one of four treatment groups in Completely Randomized Designed (CRD) : Animals in Treatment group I (P<sub>1</sub>) received PGF2a of 5 mg/ml/head intramuscularly ; Treatment group II (P<sub>2</sub>) received PGF2a of 5 mg/ml/head by intra vaginal  sponges for twodays;Treatment groupIII(P<sub>3</sub>) received PGF2a of 5 mg/ml/head by intra vaginal  sponges for four days; Treatment group IV (P<sub>4</sub>) received PGF2a of 5 mg/ml/head by intra vaginal  sponges for six days. Two rams, aged 2-2.5 years used as a mated.  Each treatment was repeated five times. Variables measured were <em>onset </em>and duration of estrus, and <em>Non-return Rate</em> (NR) in 30 days.  Collected data were analyzed using analysis of variance followed by Post-hoc of Least Significant Difference (LSD).  Average values of <em>onset</em> of estrus for P<sub>1</sub>, P<sub>2</sub>, P<sub>3</sub> and P<sub>4</sub> were 22.91, 23.16,  26.31 and 44.57 hours, respectively. Average values of duration of estrus for P<sub>1</sub>, P<sub>2</sub>, P<sub>3</sub> and P<sub>4</sub> were 26.36, 48.36, 94.65 and 146.56 hours, respectively. Analysis of variance indicated that the administration method of PGF2a affected significantly (P&lt;0.01) on the <em>onset</em> and the duration of estrus. <em>Non-return Rate</em> (NR) in 30 days for P<sub>1</sub>, P<sub>2</sub>, P<sub>3</sub> and P<sub>4</sub> was 100,100, 20 and 20 percent, respectively.  In conclusion, the application of estrous induction methods using Prostaglandin F2a by intra vaginal sponges (IVS) for two days and intra muscular (IM) can improve reproductive parameters of thin tailed ewe lambs. (Animal Production 9(2): 129-134 (2007)</p> <p> </p> Key Words:<strong> Prostaglandin estrous, <em>Non-return Rate</em>, sheep</strong>
 
Publication, Distribution, Etc. Faculty of Animal Science, Jenderal Soedirman University
2011-05-05 21:15:46
 
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http://animalproduction.net/index.php/JAP/article/view/168
 
Data Source Entry ANIMAL PRODUCTION; Vol 9, No 3 (2007)
 
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