Abstract
The objective of this work was to evaluate the production and characteristics of boar semen from different genetic lines used for artificial insemination, for which 19 boars were used: LM100 (n=4); LM200 (n=2); LM300 (n=2); LTP27 (n=4); LTH1 (n=2); LTB1 (n=3) and LTB37 (n=2) for two and a half years; the variables evaluated were Ejaculate Volume, Motility %, Temperature, Sperm Concentration, Collection frequency, Season of the year, Age and Number of doses. The general averages of the results obtained were: semen volume 263.64 ± 3.59, Motility 89.99 ± 0.20, Ejaculate temperature 37.12 ± 0.03, Dose x ejaculate 19.43 ± 0.36, Winter season, semen volume 263.69 ± 3.59, Spring Motility 90.81 ± 0.43, Autumn temperature of the Ejaculate 37.12 ± 2.74, Spring number of doses (300 x 109) ; 19.43 ± .35, in relation to the Genetic Lines in which there was a significant difference with respect to the evaluated variables were in Volume it was LTP-27 with 328.74 ± 7.97 mL (P <0.05), in % Motility it was LTH-1, 91.81 ± 0.52 (P<0.05), in Ejaculate Temperature The LTB-1 with 37.70 ± .09 (P>0.05), in dose was the LTP-27, 23.15 ± 0.64 (P<0.05), the behavior by season of the year and your variables.
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