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Filtering by: Advisor Loomis, William D. Subject Ewes

Relationships between hemoglobin genotype and production in cross-bred ewes. I. Reproduction and lamb production : II. Wool and milk production and health related traits

Creator:

Dally, Martin R.

Abstract:

I. REPRODUCTION AND LAMB PRODUCTION Relationships among hemoglobin (Hb) genotypes and reproduction and production traits were examined in 294 four- and five-year-old North Country Cheviot, Dorset, Finnsheep or Romney x Suffolk or Columbia-type crossbred ewes. Hb BB ewe lambs were youngest at first estrus and Hb AA ewe lambs were...

Resource Type:

Masters Thesis

Full Text:

PRODUCTION AND HEALTH RELATED TRAITS Abstract approved: Redacted for privacy William D. Hohenboken I
Breed and heterosis effects on wool and lamb production of rotationally crossed ewes

Creator:

Gallivan, Catherine Agnes

Abstract:

One thousand twenty-three lambing records of 351 ewes bred in a rotational crossbreeding system involving Columbia or Targhee, Hampshire and Finnish Landrace breeds were examined. A regression approach was used to determine the effects of breeds and heterosis on wool grade, greasy fleece weight, ewe weight at lambing, lambing date,...

Resource Type:

Masters Thesis

Full Text:

Production of Rotationally Crossed Ewes Redacted for Privacy Abstract Approved: _ _ _ _ William D