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more general categories information about this item Animal Science and Animal Products Animal Science and Animal Products animals (57707) domestic animals (18395) livestock (17944) small ruminants (4638) sheep (3125) ewes (643) farmed animal species (18522) livestock (17945) small ruminants (4637) sheep (3124) ewes (643) vertebrates (48184) mammals (32609) ungulates (15526) ruminants (10515) small ruminants (4637) sheep (3124) ewes (643) zoology (51799) animal physiology (24482) animal reproduction (7407) breeding season (346) estrous cycle (516) fecundity (1196) litter size (210) animal fertility (950) female fertility (413) parturition (992) lambing (98) Biological Sciences Biological Sciences biological properties and phenomena (31123) biological rhythms (443) periodicity (185) photoperiodism (51) genetics (60992) phenotype (13102) gender (10027) females (7276) ewes (643) organisms (108862) animals (57703) domestic animals (18395) livestock (17944) small ruminants (4638) sheep (3125) ewes (643) farmed animal species (18517) livestock (17941) small ruminants (4637) sheep (3124) ewes (643) vertebrates (48182) mammals (32609) ungulates (15526) ruminants (10515) small ruminants (4637) sheep (3124) ewes (643) physiology (77074) physiological regulation (1490) physiological response (3104) animal physiology (24482) animal reproduction (7407) breeding season (346) estrous cycle (516) fecundity (1196) litter size (210) animal fertility (950) female fertility (413) parturition (992) lambing (98) zoology (51772) animal physiology (24475) animal reproduction (7406) breeding season (346) estrous cycle (516) fecundity (1196) litter size (210) animal fertility (950) female fertility (413) parturition (992) lambing (98) Breeding and Genetic Improvement Breeding and Genetic Improvement genetic resources (29016) animal genetic resources (3389) breeds (3299) breed differences (269) sheep breeds (528) Merino (145) Rasa Aragonesa (8) Calendar Year Calendar Year Year (337475) 2007 (28801) Geographical Locations Geographical Locations Europe (17734) Spain (2667) Health and Pathology Health and Pathology therapeutics (6783) drug therapy (1030) drug delivery systems (307) drug implants (29) Natural Resources, Earth and Environmental Sciences Natural Resources, Earth and Environmental Sciences environment (10329) environmental factors (9465) photoperiod (924) natural resources (75944) biological resources (55960) genetic resources (29016) animal genetic resources (3389) breeds (3299) breed differences (269) sheep breeds (528) Merino (145) Rasa Aragonesa (8) Physical and Chemical Sciences Physical and Chemical Sciences chemical substances (129118) chemical compounds (78840) nitrogen compounds (16192) organic nitrogen compounds (14211) amino compounds (2468) amines (1897) tryptamines (287) melatonin (77) heterocyclic nitrogen compounds (10196) indoles (1618) tryptamines (287) melatonin (77) organic compounds (57444) heterocyclic compounds (16089) heterocyclic nitrogen compounds (10187) indoles (1609) tryptamines (287) melatonin (77) organic nitrogen compounds (14202) amino compounds (2468) amines (1897) tryptamines (287) melatonin (77) heterocyclic nitrogen compounds (10187) indoles (1609) tryptamines (287) melatonin (77) physics (54990) space and time (9709) temporal variation (6965) seasonal variation (3250) Reference Types Reference Types Journal (337546) Research, Technology and Engineering Research, Technology and Engineering technology (49139) application technology (7315) application methods (4351) drug delivery systems (307) drug implants (29) Abstract of Article: Will be presented in next release Date Last Accessed: Accessed January 20, 2015 Title of Article: The effect of melatonin on the reproductive performance of three sheep breeds in Spain Author(s) of Article: Will be identified in next release Citation: Small ruminant research 2007 v.69 no.1-3 pp. 10-16 Click to View: (Click to View) Date of Publication: 2007 Location of Article: http://pubag.nal.usda.gov/pubag/article.xhtml?id=702964 Name of Publication: Small ruminant research Publishing Company: Will be identified in next release Accession Number: 243876