in a review
study on cattle additionally suggest: reduced expression of oestrus behaviour, altered
follicular development, impairment of oocytes, impact on the number of fertilized
ova and inhibiting embryonic development. Similar observations were carried out
on pigs (Peltoniemi et al., 2000). The main role in all-year-round cycle is played by:
daylight length, temperature and the associated heat stress, as an important part of
the season, and also inherited individual predispositions. For European wild boar
(Sus scrofa), as the ancestor of modern pigs, daylight length regulates reproductive
processes and this is based on changes in the secretion of melatonin (Gourdine et al.,
2006). If the organism of a warm-blooded animal (such as a pig) is not in optimal
condition, the mobilization of internal systems for the maintenance of temperature is
maintained at the cost of production reserves.
in a reviewstudy on cattle additionally suggest: reduced expression of oestrus behaviour, alteredfollicular development, impairment of oocytes, impact on the number of fertilizedova and inhibiting embryonic development. Similar observations were carried outon pigs (Peltoniemi et al., 2000). The main role in all-year-round cycle is played by:daylight length, temperature and the associated heat stress, as an important part ofthe season, and also inherited individual predispositions. For European wild boar(Sus scrofa), as the ancestor of modern pigs, daylight length regulates reproductiveprocesses and this is based on changes in the secretion of melatonin (Gourdine et al.,2006). If the organism of a warm-blooded animal (such as a pig) is not in optimalcondition, the mobilization of internal systems for the maintenance of temperature ismaintained at the cost of production reserves.
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