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Showing 1 to 4 of 4 for “"ANZSRC::070201 Animal Breeding"”.
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Cervical artificial insemination in sheep
Results are reported from a fresh semen cervical artificial insemination trial in April 1989 at the Lincoln College Research Farm. One hundred and ninety Coopworth ewes were inseminated over 5 days. Semen was collected twice daily from four Dorset Down rams using an artifical vagina (A.V.). …
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The effect of early-pregnancy nutrition on lamb birth weight in fecund Booroola-Merino cross sheep
The effects of ewe nutrition and live weight change during early-pregnancy on lamb birth weight were studied. 218 Booroola cross Coopworth ewes carrying at least one copy of the F gene were stratified according to live weight, breed and age, and randomly allocated to a high(H), medium (M) or low …
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Associations between gene variations and milk composition in New Zealand dairy cattle: A thesis submitted in fulfilment of the requirements for the Degree of Doctor of Philosophy at Lincoln University
… protein percentage are included in the National Breeding Objective. This is underpinned by the Breeding Worth (BW) index, which is used to estimate an animal’s genetic merit for production. In addition to quantity, the compositions of the milk fat and protein are also important quality …
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Genetics of disease resistance: Molecular characterisation of the major histocompatibility Complex Class II genes in Bos species of different origin : A thesis submitted in partial fulfilment of the requirements for the Degree of Master of Science at Lincoln University
Breeding for genetic resilience in farm animals is becoming more important as a consequence of the increasing awareness of pathogen resistance to antibiotics and the need to build more resilient and sustainable agricultural production systems. In this context, the important role the Major …