Increasing the reproductive function of Large White boars
نویسندگان
چکیده
منابع مشابه
The effect of vitamin E supplementation on the libido and reproductive capacity of Large White boars
__________________________________________________________________________________ Abstract In this study the effect of dietary supplementation of vitamin E on libido, servicing capacity (SC), sperm quality and serum α-tocopherol of Large White boars was evaluated. Twenty four boars were divided into three groups of eight boars each. Groups were randomly allocated to treatment groups, i.e. 0, 4...
متن کاملInfluence of supplemental lighting during increasing daylength on libido and reproductive hormones in prepubertal boars.
Littermate crossbred boars received either natural lighting or supplemental lighting (incandescent or fluorescent) from 15 to 32 wk of age in two separate experiments. Boars in control and treatment groups received natural daylight through windows of a growing and finishing house from December to April (Exp. 1) or from March to August (Exp. 2). Boars in the treatment groups received supplementa...
متن کاملInfluence of elevated ambient temperature on reproductive performance of boars.
Twelve Yorkshire boars were randomly assigned to one of two temperature controlled chambers to determine the influence of elevated ambient temperature on reproductive performance. Heat stressed boars were exposed to 34.5 -+ 1.0 C for 8 hr and 31.0 + 1.0 C for 16 hr daily for 90 days. Control boars were maintained at 23.0 -+ 1.0 C throughout the experimental period. Semen was collected twice wee...
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 کاملThe role of phytoestrogens in increasing the reproductive performance of ornamental fish
Successful reproduction in captivity is one of the most important issues in the aquaculture industry. Due to the disadvantages of using hormones and the fact that plants containing phytoestrogens do not have negative effects of synthetic estrogens, the use of natural estrogens such as phytoestrogens has become common in this industry. Natural plant products are very rich sources of compounds w...
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ژورنال
عنوان ژورنال: E3S Web of Conferences
سال: 2020
ISSN: 2267-1242
DOI: 10.1051/e3sconf/202022202009