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Filtering by: Committee Member Thomas, D. Degree Field Animal Science

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
Meat tenderness studies : 1. Electrical stimulation-delayed chilling of beef carcasses. 2. Protein quality of pressurized meat

Creator:

Ali, Elgasim Elgasim

Abstract:

A 2x2 factorial experimental design with 2 replications was used to study the effects of a combination of electrical stimulation and delayed chilling of pre-rigor muscle on meat characteristics. Twenty Standard and Good grade beef cattle were slaughtered and 5 carcasses were assigned to each of the 4 treatments. Meat...

Resource Type:

Dissertation
Flow cytometric evaluation of spermatozoan nuclear chromatin structure and viability

Creator:

Ballachey, Brenda Elizabeth

Abstract:

I. Frozen bovine semen samples were measured by flow cytometry (FCM) to determine if FCM analyses could be useful for sperm quality evaluation and prediction of bull fertility. Fluorescent dyes utilized were acridine orange, to measure sperm nuclear chromatin heterogeneity by quantifying susceptibility of the chromatin to denaturation, and rhodamine...

Resource Type:

Dissertation