STUDIES ABOUT INFLUENCE OF BREEDING TECHNOLOGY ON EJACULATE VOLUME OF BROILER BREEDER ROOSTERS

Published in Scientific Papers. Series D. Animal Science, Vol. LXI, Issue 1
Written by Minodora TUDORACHE, Ioan CUSTURĂ, Ilie VAN, Georgeta DINIȚĂ, Monica MARIN, Paul ANTON

Study aimed to analyze influence of some microclimate factors (light intensity, bird’s density and sex percentage) and litter material on semen quality (ejaculation volume) in broiler breeding males. Researches are part of a large study to analyze semen material and breeding efficiency of broiler breeding hybrid parents. Researches were performed during a two years period on ROSS 308 commercial hybrids with 25 roosters and 250 laying hens and three control weeks (25, 35 and 45) during breeding period (19-64 weeks). Three experimental groups were formed as one for each trial (A - with analyze parameters sub-standard and litter made of chopped straws; B - with analyze parameters above standard and litter made of rice hulls and C - with analyze parameters at the level recommended by the manufacturer of biological material and litter made of wood shavings). Ejaculation volume has been between 0.74 ±0.04 ml in week 25 - trial A and 1.20 ± 0.06 ml in week 45 - trial C. Results of trial B experiments are above the other ambient conditions with the exception of ejaculation volume in week 45. Results would seem to support usage of technological parameter values above standard recommendations and a litter made of rice hulls.

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TUDORACHE M., CUSTURA I., VAN I., DINITA G., MARIN M., ANTON P. 2018, STUDIES ABOUT INFLUENCE OF BREEDING TECHNOLOGY ON EJACULATE VOLUME OF BROILER BREEDER ROOSTERS. Scientific Papers. Series D. Animal Science, Vol. LXI, Issue 1, ISSN 2285-5750, 234-238.


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