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. 1972 Nov;51(6):2060-4.
doi: 10.3382/ps.0512060.

Extraretinal photocontrol of reproductive responses of Leghorn hens to photoperiods of different length and spectrum

P C Harrison
Free article

Extraretinal photocontrol of reproductive responses of Leghorn hens to photoperiods of different length and spectrum

P C Harrison. Poult Sci. 1972 Nov.
Free article
No abstract available

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