1. Postpartum estrus and involution of the uterus in an experimental herd of Holstein-Friesian cows;Buch;J. Dairy Sci.,1955
2. The influence of nutrition on reproductive efficiency in cattle. I. The effect of calcium and phosphorus on the fertility of cows and heifers;Hignett;Vet. Rec.,1951
3. The influence of nutrition on reproductive efficiency in cattle II. The effect of phosphorus intake on ovarian activity and fertility in heifers;Hignett;Vet. Rec.,1952
4. The influence of nutrition on reproductive efficiency in cattle III. The influence of vitamin D status on the effect of calcium and phosphorus intake on the fertility of cows and heifers;Hignett;Vet. Rec.,1953
5. Experimental studies of the relationship between the calcium-phosphorus ratio of the diet and fertility of heifers;Littlejohn;Vet. Rec.,1960