2004
DOI: 10.1016/j.smallrumres.2003.07.007
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Seasonal variation in semen characteristics, scrotal circumference and libido of Persian Karakul rams

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Cited by 76 publications
(32 citation statements)
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“…But adverse effects could be noted when dietary deficiency becomes severe enough to cause a live weight loss of about 30% (Parker and Thwaites 1972). Data recorded in the groups were in line to those reported by Kafi et al (2004) in Persian Karakul rams, but higher compared to those reported by Karagiannidis et al (2000) in Chios and Friesian rams. These variations could be due to either breed and age or other environmental factors.…”
Section: Semen Parameterssupporting
confidence: 79%
See 1 more Smart Citation
“…But adverse effects could be noted when dietary deficiency becomes severe enough to cause a live weight loss of about 30% (Parker and Thwaites 1972). Data recorded in the groups were in line to those reported by Kafi et al (2004) in Persian Karakul rams, but higher compared to those reported by Karagiannidis et al (2000) in Chios and Friesian rams. These variations could be due to either breed and age or other environmental factors.…”
Section: Semen Parameterssupporting
confidence: 79%
“…Reproductive performance may be influenced by some factors, of which the environment (Karagiannidis et al 2000;Kafi et al 2004) and particularly the nutritional status of the animal is often the most important (Braden et al 1974;Al-Ghalban et al 2004). The effect of nutrition, particularly underfeeding and flush feeding on female fertility has been extensively studied (Lozano et al 2003).…”
Section: Introductionmentioning
confidence: 99%
“…Blood collection was conducted fortnightly from late summer to mid-autumn. Several studies have reported increasing testosterone concentrations during this period in rams (Kafi et al, 2004;Dickson and Sanford, 2005).…”
Section: Discussionmentioning
confidence: 86%
“…The mean sperm concentration increased with the age of the lambs up to 19 months, with some variation thereafter. The correlation coefficient between semen volume and total sperm output was highly significant (r=0.85, P<0.01) in Persian Karakul rams (Kafi et al 2004). Sperm concentration in Mehraban rams was significantly higher from mid-September to early October whereas sperm concentration of Ghezel ram was highest (P<0.05) during late June to mid-September (Zamiri and Khodaei 2005).…”
Section: Malementioning
confidence: 87%
“…No significant correlations between live weight and SC in Persian Karakul rams were recorded (Kafi et al 2004). Kridli and Al-Yacoub (2006) investigated the sexual performance of Awassi ram lambs reared in different sex Kunene et al (2007) composition groups.…”
Section: Malementioning
confidence: 97%