Non-genetic causes of the heterogeneity of variance in milk yield among Holstein-Friesian Herds in Kenya.

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dc.contributor.author Olukoye, G.A.
dc.date.accessioned 2018-01-17T06:39:54Z
dc.date.available 2018-01-17T06:39:54Z
dc.date.issued 2005
dc.identifier.uri http://dx.doi.org
dc.identifier.uri http://62.24.102.115:8080/xmlui/handle/123456789/1188
dc.description.abstract Lactation records of Holstein- Friesian cows in Kenya made during the period 1968 to 1984 were analyzed for the cases of heterogeneity of variance in milk yield among herds using a fixed effect least squares model. Year, herd, herd class, parity, calving interval and lactation length all influenced milk yields significantly (p<0.01), while season of calving didn't (p>0.05). age at calving affected 305 days milk yields significantly ( P<0.005). it was concluded that adjustment of records for these non-genetic effects could minimize heterogeneity of variance in milk yield among Holstein-Friesian herds in Kenya. en_US
dc.language.iso en en_US
dc.publisher AJOL en_US
dc.title Non-genetic causes of the heterogeneity of variance in milk yield among Holstein-Friesian Herds in Kenya. en_US
dc.type Article en_US


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