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Effectiveness of selection for productive characteristics in developing the Montana no. I hogs

Creator:: McEwen, Wesley Charles
Abstract:: One of the most important productive characteristics of hogs is reproductive efficiency. Reproductive efficiency is best measured by litter size at weaning. Litter size at birth and weight of the pigs at birth are among the most important factors affecting litter size at weaning. It has been demonstrated that less...
Resource Type:: Masters Thesis
Full Text:: in Developing the Montant No. 1 Hogs AN ASTFACT OF TI TEIS OF p es1ey Charles Mcwen For the M

The inheritance of growth and carcass characteristics in sheep

Creator:: Busch, Robert Edward
Resource Type:: Dissertation
Full Text:: not af- fected by the amount of milk consumed by the lamb. He found no relation, within groups

Nitrogenous constituents in the blood of four lines of calves

Creator:: Ampy, Franklin Roosevelt
Resource Type:: Dissertation
Full Text:: 4,o conditioning no doubt, since by incorporating or correlating the findings of 14. , 5

The effect of levels of inbreeding of dam and offspring upon performance of purebred suffolk lambs

Creator:: England, Noah Clinton
Resource Type:: Masters Thesis
Full Text:: Improvement of farm animals it Is of utmost importance that information be obtained on the manner in which

The comparison of two methods of evaluating inheritance of milk production of dairy sires

Creator:: Srinives, Supote
Abstract:: The production records used were all converted to a comparable based, 305 day lactation period, two times a day milking, and mature equivalent (305 days-2-x-ME) of 71 cows from four Holstein bulls and 59 cows from four Jersey bulls were used for the study. The Equal Parent Index, Regression Index...
Resource Type:: Masters Thesis
Full Text:: based on an infinite number of daughters gives no more information about his son's true merit than

Some genetic and environmental factors affecting weaning weights of lambs

Creator:: Dahmen, J. J. (Jerome John), 1919-
Abstract:: Eight purebred rams (four Suffolk and four Panama) previously selected as high and low on the basis of post-weaning performance feed test of 84 days were used each of three years. Each of the rams was mated to approximately 25 grade Panama ewes each year. One ram and 25 ewes...
Resource Type:: Dissertation
Full Text:: rams having a high '- post -weaning rate of gain were no larger at weaning than those sired by

Response of genetically different groups of sheep to hill pasture conditions

Creator:: Johnston, Elbert Felton
Resource Type:: Dissertation
Full Text:: information which was not neessari1y of direct in- terest to farmers but which was of interest to research

Estimation of general and specific combining abilities from a diallel cross of three inbred lines of Suffolk sheep

Creator:: Schilling, Prentiss E. (Prentiss Edwin), 1941-
Abstract:: The investigations were based on a complete diallel cross among three inbred lines of Suffolk sheep. Line of sire effects were assumed to be an estimate of general combining ability effects while sire x dam interaction was assumed to be an estimate of specific combining ability. The line of dam...
Resource Type:: Dissertation
Full Text:: evaluation of the lamb producing ability of the line- cross ewes. No straight line ewe lambs were included

Hematological study of genetically different lines of growing beef cattle

Creator:: Bhannasiri, Tim
Resource Type:: Dissertation
Full Text:: The author has made no attempt to cover all areas of haematology, and only those considered

The effect of antibiotics on semen production

Creator:: Bhannasiri, Tim
Resource Type:: Masters Thesis
Full Text:: . Government Printing Office , 1940. 6Sp . (u.s . Dept. of Agriculture . Circular no . 567) Lawrence , J . M

ScholarsArchive@OSU

Effectiveness of selection for productive characteristics in developing the Montana no. I hogs

The inheritance of growth and carcass characteristics in sheep

Nitrogenous constituents in the blood of four lines of calves

The effect of levels of inbreeding of dam and offspring upon performance of purebred suffolk lambs

The comparison of two methods of evaluating inheritance of milk production of dairy sires

Some genetic and environmental factors affecting weaning weights of lambs

Response of genetically different groups of sheep to hill pasture conditions

Estimation of general and specific combining abilities from a diallel cross of three inbred lines of Suffolk sheep

Hematological study of genetically different lines of growing beef cattle

The effect of antibiotics on semen production

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