The Influence Of Priming Two Cucumber Cultivar Seeds

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162 J. Duhok Univ. Vol.13, No.1, (Agri. And Vet. Sciences) Pp 162-165, 2010 EVALUATION OF TEST-DAY MILK YIELD OF NATIVE SHEEP BREEDS IN SOME COMMERCIAL FLOCKS * JALAL ELIYA ALKASS * and HAVAL.A. GARDI ** * Dept. of Animal Production, College of Agricultue, University of Salahaddin, Kurdistan Region-Iraq ** Dept. of Animal Production, College of Agricultue, University of Duhok, Kurdistan Region-Iraq (Received: October 17, 2010; Accepted for publication: March 10, 2011) ABSTRACT A total of 729 test-day milk yield (TDMY) of 172 ewes belonged to three breeds namely, Hamdani, Karadi and Awassi raised at four commercial flocks in Erbil plain, and the fifith flock belongs to College of Agriculture, University of Salahaddin, were used to study milk production together with some environmental factors affecting it. Test-day milk yield was recorded at monthly interval starting one month post lambing till the ewes were dried off. Lambs were separated from their mothers at 7.00 p.m. On the following morning, ewes were hand milked at 7.00 a.m., and the milk yield was recorded. Overall mean of milk yield for the three breeds was 557.66 ± 12.40 gm. Breed and flock had a significant (P
J. Duhok Univ. Vol.13, No.1, (Agri. And Vet. Sciences) Pp 162-165, 2010 RESULTS AND DISCUSSION <strong>The</strong> overall mean of TDMY was 557.66 ± 12.40 gm (Table 1). Such finding demonstrate that Iraqi sheep is inferior in milk yield to the sheep breeds such as Assaf (353 liter) (Gootwine and Pollot, 2002). Factors affecting test – day milk yield: Breed and flock : In the current study, the effect of breed within flock on TDMY was highly significant. It appears from Table (1) that TDMY ranged between 521.36 to 656.25 gm for Hamdani, 489.03 to 637.76 gm for Karadi and 396.56 to 546.52 gm for Awassi. Karadi ewes surpassed Hamdani ewes in TDMY in a flock 1 (637.76 vs 521.36 gm), whereas Hamdani ewes surpassed Karadi in this trait in a flock 3 (656.25 vs. 489.03 gm). When comparison is made within breed between flocks, it appears that Hamdani ewes reared at flock 3 attained higher TDMY than ewes reared at flock 1 and 2. Karadi ewes reared at flock 1 surpassed those reared in a flock 3, and Awassi ewes reared at flock 2 yielded lower TDMY compared to those reared at flock 4. Such differences between breeds within flock and within breed between flocks could be due to difference in the genetic make up of ewes, the availability of feed and management practices followed in each flock. Similarly Alkass et al. (2008) reported significant effect of flock on milk yield. Age of dam: Four years old ewes produced significantly (p
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The Influence Of Priming Two Cucumber Cultivar Seeds

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