𝔖 Bobbio Scriptorium
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The effect of photoperiod and melatonin feeding on reproduction in the ewe

✍ Scribed by C.M. Luhman; A.L. Slyter

Book ID
118377397
Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
610 KB
Volume
26
Category
Article
ISSN
0093-691X

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Asexual planarians of the species Dugesia dorotocephala exhibit a distinct day-night rhythm of fissioning under the influence of normal photoperiod; fissioning occurs only at night. This rhythm is broken by continuous illumination, continuous darkness, or by decapitation. The fissioning rate increas