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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

Evaluation of ryegrass straw in rations for ponies

Creator:: Schurg, William Alan
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE THESIS OF WILLIAM ALAN SCHURG for the degree of DOCTOR OF PHILOSOPHY in ANIMAL SCIENCE

Population analysis of a commercial beef cattle herd

Creator:: Schons, Debra Jo
Abstract:: Twenty-four years of records (1958-1981) from a commercial Angus ranch were utilized in a population analysis to characterize the herd as a biological unit. The herd averaged 632±129 cows and 123±6 replacement heifers with all replacement heifers and many bulls from within the herd. Life tables were calculated for seven...
Resource Type:: Masters Thesis
Full Text:: : Redacted for privacy William U. HonenooKen Twenty-four years of records (1958-1981) from a commercial

The inheritance of spermatozoan midpiece length and its relationship with traits of economic importance in cattle

Creator:: Lukefahr, Steven D.
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Redacted for Privacy William D. Hohenboken In two cattle populations; dairy and beef

The inheritance of appetite in ruminants

Creator:: Ngam, Joe Eric Tosah
Abstract:: The study involved three separate research efforts in which 10 Holstein calves and 85 purebred Hampshire and Suffolk ewe and ram lambs were employed. The objectives of the experiments were to characterize appetite, describe its inheritance and evaluate its associations with animal performance. In the calf experiment, appetite was determined...
Resource Type:: Masters Thesis
Full Text:: : Redacted for Privacy W. D. Hohenboken The study involved three separate research efforts in which 10

Crossbred lamb production from Columbia and Suffolk ewes

Creator:: Levine, Joel Martin
Resource Type:: Masters Thesis
Full Text:: : Redacted for privacy William D. Hohenboken I. EWE PRODUCTION AND LAMB TRAITS Four hundred and thirty

Computer simulation of beef cattle production systems in the Llanos of Columbia

Creator:: Levine, Joel Martin
Abstract:: A simulation model capable of execution on a programmable calculator was developed to study voluntary intake, liveweight change, and fertility of grade Zebu cows in the Llanos of Colombia. Organic nitrogen in the diet and meta bolic weight were used to predict intake; age, liveweight, and energy concentration were the...
Resource Type:: Dissertation
Full Text:: Production Systems in the Llanos of Colombia Abstract approved: Redacted for privacy William D. Hohenboken

The inheritance of longevity traits in beef cattle

Creator:: Tanida, Hajime
Resource Type:: Dissertation
Full Text:: Abstract approved: William D. Hohenboken Thirty years and 23 years of life history data from a Hereford

Biological and economic effects of flushing and creep feeding in sheep

Creator:: Taiwo, Bolaji
Abstract:: One hundred two mature blackface crossbred ewes were randomly divided into three equal groups to examine the effects of feeding management during mating on blood chemistry, weight change and subsequent reproductive performance. Group I was kept in drylot from 17 days before through 17 days after the start of mating....
Resource Type:: Masters Thesis
Full Text:: Dr. P. R. Cheeke for his assistance on the chemical analysis part of this project, and to Mr. G. D

Sheep selection in retrospect

Creator:: Saoud, Nabeel B.
Abstract:: A total of 399 crossbred ewes from two birth years were raised under two management systems, irrigated vs. dryland hill pastures. The crossbred ewes were sired by North Country Cheviot, Dorset, Finnsheep and Romney rams that were mated to Suffolk and Columbia-type ewes. Hampshire rams were the terminal sire breed...
Resource Type:: Dissertation
Full Text:: , 1983 . Title: SHEEP SELECTION IN RETROSPECT Abstract Approved: Redacted for privacy William D

ScholarsArchive@OSU

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

Evaluation of ryegrass straw in rations for ponies

Population analysis of a commercial beef cattle herd

The inheritance of spermatozoan midpiece length and its relationship with traits of economic importance in cattle

The inheritance of appetite in ruminants

Crossbred lamb production from Columbia and Suffolk ewes

Computer simulation of beef cattle production systems in the Llanos of Columbia

The inheritance of longevity traits in beef cattle

Biological and economic effects of flushing and creep feeding in sheep

Sheep selection in retrospect

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