Zobrazeno 1 - 3
of 3
pro vyhledávání: '"T. B. Chaille"'
Publikováno v:
Poultry Science. 65:864-867
Leghorn-type hens (40 weeks of age) were used to study the effect of: 1) increasing the morning photoperiod and total photoperiod, and 2) shifting artificial lights from morning to evening while maintaining a constant photoperiod length. Time of lay,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eda3ff13f74177300cd2620f6df6f226
https://doi.org/10.3382/ps.0650864
https://doi.org/10.3382/ps.0650864
Publikováno v:
Poultry Science. 68:825-829
Feeding of an estrogen, dienestrol diacetate, at 352 mg/kg of diet to December-hatched White Leghorn type pullets, from 16 to 20 wk of age, caused onset of production to be delayed approximately 3 wk. The dietary dienestrol diacetate also resulted in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57faf134d6a34ec3ea00d911cf9cc032
https://doi.org/10.3382/ps.0680825
https://doi.org/10.3382/ps.0680825
Publikováno v:
Poultry science. 68(6)
Feeding of an estrogen, dienestrol diacetate, at 352 mg/kg of diet to December-hatched White Leghorn type pullets, from 16 to 20 wk of age, caused onset of production to be delayed approximately 3 wk. The dietary dienestrol diacetate also resulted in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::79c08f74854a12504bb043296beb9ebf
https://pubmed.ncbi.nlm.nih.gov/2771848
https://pubmed.ncbi.nlm.nih.gov/2771848