Semen Characteristics of Purebred and Crossbred Male Rabbits
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چکیده
منابع مشابه
Semen Characteristics of Purebred and Crossbred Male Rabbits
The aim of this investigation was to evaluate the semen quality traits of purebred male rabbits and their crosses under subtropical Egyptian conditions. A full 3 x 3 diallel crossing was performed for producing the first generation progeny of New Zealand White (N), Flander (F) and Rex (R) breeds. The highest ejaculate volume (p< 0.05) and percentage of live sperms (p<0.01) with the lowest perce...
متن کاملReproductive and testicular characteristics of purebred and crossbred boars.
Purebred Hampshire, Duroc and crossbred (H x D, D x H) boars were studied to evaluate reproductive characteristics. One hundred seventeen boars were castrated at 7Y:! months of age to evaluate testicular weights and sperm numbers. Seventy-eight additional boars were studied to evaluate conception rate and embryo numbers when mated to Yorkshire gilts. Rate of gain and backfat probe were also ava...
متن کاملSemen Characteristics and Oxidative/Antioxidati in Semen and Serum of Male Rabbits Supplemented with Antioxidants during Heat Stress
Heat stress (HS) often blamed for suboptimal reproductive efficiency and is a worldwide problem, which inflicts heavy economic losses reflected in limiting the breeding season of rabbits to be normally from September to May in northern hemisphere and subtropical regions. The present experiment was conducted to study the effect of summer heat stress and the alleviating effect of some antioxidant...
متن کاملSEMEn cHArActErIStIcS And PLASMA tEStoStEronE oF nEW-ZEALAnd MALE rABBItS AS AFFEctEd BY EnVIronMEntAL tEMPErAturES
Sixteen adult New-Zealand White rabbit males at the age of 6 months and weight of 2.5 ± 0.14 kg were used to study semen characteristics and some biochemical and enzymatic properties of seminal plasma, and blood plasma testosterone during spring and summer seasons. The averages of maximum and minimum ambient temperature in both seasons were 27.1 oC and 18.9 oC in spring, versus 32.2 oC and 26.5...
متن کاملPerformance and carcass characteristics of Australian purebred and crossbred lambs supplemented with Rice Bran
BACKGROUND This study examined the effects of dietary supplementation with rice bran, sire breed and gender on live animal performance and carcass characteristics in Australian crossbred and purebred Merino lambs. METHODS Forty-eight lambs balanced by sire breed (Dorset, White Suffolk, Merino) and gender (ewe, wether) were randomly allocated into three dietary supplementation groups (Control-...
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ژورنال
عنوان ژورنال: PLOS ONE
سال: 2015
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0128435