Summer heat stress and reduced fertility in Holstein-Friesian cows in Arizona.
DEJ Monty, LK Wolff - 1974 - cabidigitallibrary.org
The fertility rate of cows in Arizona decreased to less than 20% during the very hot months of
July, August, and September, as determined by the number of live calves born per number …
July, August, and September, as determined by the number of live calves born per number …
Physiologic response to intense summer heat and its effect on the estrous cycle of nonlactating and lactating Holstein-Friesian cows in Arizona.
LK Wolff, DEJ Monty - 1974 - cabidigitallibrary.org
Rectal temperatures of lactating cows increased significantly during hot weather to an
average peak of 40.1 deg C, whereas the rectal temperatures of non-lactating cows did not …
average peak of 40.1 deg C, whereas the rectal temperatures of non-lactating cows did not …
On the quantity of vitamin A present in the human liver.
LK Wolff - Lancet, 1932 - cabdirect.org
Estimations by means of the SbCl 3 test were made on the vitamin A content of the liver in
957 human cases which had come to autopsy. The results from 78 persons dying from …
957 human cases which had come to autopsy. The results from 78 persons dying from …
Effect of Mitogenetic Rays on Eggs of Drosophila melanogaster
LK Wolff, G Ras - Nature, 1934 - nature.com
THE different methods for the demonstration of Gurwitsch rays have in common that the
technique is always subtle and requires much practice; Magrou alone has described a simple …
technique is always subtle and requires much practice; Magrou alone has described a simple …
Action of Sulfanilamide in vitro and in vivo.
LK Wolff, HW Julius - 1939 - cabidigitallibrary.org
The authors have sought for an explanation of three paradoxical facts which have emerged
from earlier work on sulphanilamide, viz. (1) that the drug exerts a bactericidal effect upon a …
from earlier work on sulphanilamide, viz. (1) that the drug exerts a bactericidal effect upon a …
Salmon acid, a carotenoid from salmon.
A Emmerie, M Van Eekelen, B Josephy… - Acta Brevia …, 1934 - cabdirect.org
The pigment from the muscle of the salmon (Salmo salar L.) was extracted with light
petroleum and acetone, purified by saponification, repeated adsorption on alumina from light …
petroleum and acetone, purified by saponification, repeated adsorption on alumina from light …
Vitamin C in blood and urine?
M Van Eekelen, A Emmerie, B Josephy, LK Wolff - Nature, 1933 - cabdirect.org
The reducing substance, as titrated by dichlorphenolindophenol, is stated to be present in
blood in the reversible oxidized state, in urine and cerebrospinal fluid in the reduced form. A …
blood in the reversible oxidized state, in urine and cerebrospinal fluid in the reduced form. A …
Über das von Schroedersche Paradoxon
LK Wolff, EH Büchner - Zeitschrift für Physikalische Chemie, 1914 - degruyter.com
Vor längerer Zeit hat von Schroeder eine merkwürdige Beobachtung beschrieben2). Als er
ein Stück Gelatine in gesättigtem Wasserdampf so lange liegen liess, bis es kein Wasser …
ein Stück Gelatine in gesättigtem Wasserdampf so lange liegen liess, bis es kein Wasser …
The quantity of Cu, Mn and Zn in cow's milk.
A Broek, LK Wolff - Acta Brevia Neerlandica de Physiologia …, 1935 - cabdirect.org
The high Cu content of commercial milk is largely due to contact with material containing Cu.
The average Cu, Mn and Zn levels in the milk of cows at pasture were 26 y, 10 γ, and 3.43 …
The average Cu, Mn and Zn levels in the milk of cows at pasture were 26 y, 10 γ, and 3.43 …
The molecular weight of vitamin A
HR Bruins, J Overhoff, LK Wolff - Biochemical Journal, 1931 - ncbi.nlm.nih.gov
LII. THE MOLECULAR WEIGHT OF Page 1 LII. THE MOLECULAR WEIGHT OF VITAMIN A.
BY HIJBO ROELOF BRUINS, JOHAN OVERHOFF AND LUDWIG KARL WOLFF. From the …
BY HIJBO ROELOF BRUINS, JOHAN OVERHOFF AND LUDWIG KARL WOLFF. From the …