N. S. Ritchie

发表

Molassed sugar-beet pulp nuts supplemented with urea and phosphate used as a milk production concentrate for dairy cows

J. Parkins, R. Hemingway, N. S. Ritchie, 1974, Journal of Dairy Research.

The voluntary intake and digestibility of oat straw by pregnant beef cows as influenced by urea and phosphorus supplementation contained in molassed sugar-beet pulp

G. Fishwick, J. Parkins, R. Hemingway, 1974, The Journal of Agricultural Science.

The effects of dietary phosphorus inadequacy during pregnancy and lactation on the voluntary intake and digestibility of oat straw by beef cows and the performance of their calves

G. Fishwick, J. Parkins, R. Hemingway, 1977, The Journal of Agricultural Science.

Enhanced reproductive performance of ewes given a sustained-release multi-trace element/vitamin ruminal bolus.

J. Parkins, R. Hemingway, N. S. Ritchie, 2001, Small ruminant research : the journal of the International Goat Association.

Experimental production of hypomagnesaemia in ewes and its control by small magnesium supplements

R. Hemingway, N. S. Ritchie, J. Inglis, 1962, The Journal of Agricultural Science.

A comparison of the voluntary intake and digestibility by beef cows of diets based on oat straw and supplemented with different forms of non-protein nitrogen

G. Fishwick, J. Parkins, R. Hemingway, 1978 .

Effects of conventional daily magnesium supplementation, breed of ewe and continued potassium fertilizer applications on plasma magnesium and calcium levels of ewes

R. Hemingway, N. S. Ritchie, 1963, The Journal of Agricultural Science.

Bioavailability assessments of granular calcined magnesites derived from magnesite rocks and of magnesium hydroxide powder in sheep

G. Fishwick, J. Parkins, R. Hemingway, 1998, The Journal of Agricultural Science.

Influence of manufacturing conditions on the bioavailability of magnesium in calcined magnesites measured in vivo and in vitro

R. Hemingway, N. S. Ritchie, C. Adam, 1996, The Journal of Agricultural Science.

The importance of hypocalcaemia in the development of hypomagnesaemic tetany

R. Hemingway, N. S. Ritchie, 1965, Proceedings of the Nutrition Society.

Urea as a protein source for ewes with twin lambs in late pregnancy and early lactation

J. Parkins, R. Hemingway, N. S. Ritchie, 1974 .

The effects of supplementary phosphorus on the voluntary consumption and digestibility of a low phosphorus straw-based diet given to beef cows during pregnancy and early lactation

G. Fishwick, J. Parkins, R. Hemingway, 1981, The Journal of Agricultural Science.

The use of magnesium bullets to control experimental hypomagnesaemia in ewes fed a low magnesium diet.

R. Hemingway, N. S. Ritchie, J. Inglis, 1961 .

Plasma inorganic iodine and thyroxine concentrations for beef cows in late pregnancy and early lactation associated with different levels of dietary iodine supplementation.

G. Fishwick, J. Parkins, R. Hemingway, 2001, Veterinary journal.

A note on the effect of urea contained in a molassed sugar beet pulp cube on the voluntary intake and digestibility of oat straw by steers

G. Fishwick, J. Parkins, R. Hemingway, 1973 .

Effects of grazing management on plasma calcium and magnesium concentrations of ewes in early lactation

J. Peart, R. Hemingway, N. S. Ritchie, 1965, The Journal of Agricultural Science.