il 



EXPERIMENT STATION EECOED. 



which we need first and most is some practical system of handling reacting 

 cattle that will be more economical than slaughter with carcass salvage." 



Loss among cattle in Alaska, M. D. Snodgrass (Alaska Stas. Rpt. 1908, pp. 

 63, 64). — Loss among cattle in the vicinity of the Kodiali Station is principally 

 due to their eating wet, dead grass before there is enough green grass to aid 

 digestion. Post-mortem examinations showed the principal seat of impaction 

 to be in the third stomach. The contents of this stomach were so hard, packed, 

 and dry as to crumble in the hands, and the mucous membrane lining the 

 stomach was black and dead. To guard against impaction, cattle should not 

 be allowed to graze on land where there is long dead grass at the time the 

 new grass first appears in the spring, more especially if the period is wet. 

 There is less danger on pastures where the grass has been eaten close the fall 

 I)revious but the safer way to guard against the trouble is to feed during this 

 period without allowing the cattle to range. Loss was also occasioned by 

 cattle falling over cliffs in early spring. This can be overcome by fencing 

 around the dangerous places or by confining stock during the first weeks of 

 new grass. 



Poisoning by cotton-seed meal, Eust (Vcroffcntl. Jahres-Vet. Bet: Tierdrzte 

 I'nuss., 6 {I'JO.J), pi. .>, pp. 35, .36 [pub. JOOS'i; abs. in Vet. Rec, 21 (1909), No. 

 1080, p. 630). — The author observed peculiar toxic symptoms in draft oxen that 

 were receiving 2 lbs. of cotton-seed meal per head daily. 



Edematous swellings appeared at the extremities, the appetite being undis- 

 turbed. In later stages, great weakness of the hind quarters appeared, and 

 in single animals, disturbances of equilibrium. Four out of 15 of the affected 

 oxen showed disturbances of vision. Apparently they became completely blind, 

 as was evidenced by their groping gait and colliding with other animals and 

 surrounding objects. Examination of the eyes revealed no special lesion ex- 

 cept marked protrusion of the eye ball and abnormal enlargement of the pupil. 

 The most severely affected animals were slaughtered, but the remainder re- 

 covered after the administration of laxatives and alterations in the diet, includ- 

 ing the discontinuance of the use of cotton-seed meal. 



Johne's disease of cattle, A. S. Alexander (Breeder's Gas., 56 (1909), No. 

 8, pp. 290, 291, fig. 1). — The author states that he has obtained fairly satisfac- 

 tory results from the use of fluid extract of eucalyptus, 1 oz., in a pint of cold 

 water every 4 hours. In several cases the scouring absolutely ceased after 5 

 doses or thereabouts had been given. 



Acute dietetic eczema in cows, Xissen (Maancdsskr. Dyrlwffer, 20 (1909), 

 No. 22, pp. 602-605; abs. in Vet. Rec, 22 (1909), No. 1102, p. 132).— In the out- 

 break of dietetic eczema here reported a change of food and symptomatic treat- 

 ment, lead lotion being used against the eczema and boric lotion against the 

 conjunctivitis, resulted in the complete disappearance of the disease in 2 or 3 

 weeks. 



Investigation of lactosuria in milch cows, Sieg (Arch. Wiss. u. Prakt. 

 TierhciUc, 35 (1909), No. 1-2, pp. ll-'i-lJ,0; abs. in Vet. Rec., 22 (1909), No. 

 1102, p. 133). — Lactose, the only sugar that the author was able to find in the 

 urine of milch cows, was present in 38 out of 68 cows studied. 



" Lactose is very often found in the urine of cows far advanced in pregnancy, 

 and is probably always to be found at the time of parturition. The lactosuria 

 is physiological, appearing from .overproduction of milk sugar in the mammary 

 glands during parturition. Usually the lactosuria diminishes gradually until 

 it completely disappears, but in some cows the urine yields lactose during the 

 whole period of milking." 



Belapses in milk fever, C. Steifen (Berlin. Tierdrztl. Wchnschr., 25 (1909), 

 No. IJ,, pp. 265, 266; abs. in Vet. Rec., 22 (1909), No. 1106, p. 182).— Two cases 



