Effect of feed deprivation during the post hatch holding birth time on the performance of broiler chicks from breeders of different age
DOI:
https://doi.org/10.5380/avs.v11i2.6785Keywords:
alojamento, frango de corte, idade de matriz, jejum pós-eclosão, post hatch birth time, broiler breeder age, placement, broilerAbstract
The present research work hás been carried out in order to evaluate on the post born period of broilers from different broiler breeders age, the effect of feed deprivation between hatching and housing, on feed intake, weight gain, feed conversion and viability up to 42 days old, and weight lost. A total of 480 male chicks were distributed in a randomized factorial design of 3 X 3, with two broiler breeders age (30 and 60 weeks) and three feed deprivation times (0, 24, 48 h post hatching). The broiler breeder age did not affect the chicks lost of weight between hatching and housing, but the feed deprivation time affect this parameter. Chicks from 60-week-old broiler breeders showed greater feed intake 72 hours post hatching. Feed intake and weight gains were influenced by the breeder age 0f 7 and 21 days old, the chick from older breeder siplaying greater feed intake and weight gain. However, at 42 days of age, even if the birds had been subjected to periods of post hatching fasting, they did not display differences on their performance. Chicks from 30-week-old broiler breeders displayed a better feed conversion.
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