منابع مشابه
Nutrition and human fertility.
Conclusions The results of gross malnutrition and deprivation of foodstuffs can therefore be due to some of these individual nutrient deficiencies, in so far as animal results apply to man. They can be due to other individual dietary deficiencies, they can be due to the algebraic effect of several deficiencies. Still more, of course, gross deprivation of protein and fats can be expected to caus...
متن کاملNutrition and female fertility.
The relation between nutrition and reproduction is of great practical importance both in human medicine and in animal husbandry. A great mass of data has already been accumulated on reproductive phenomena in nutritionally deficient states, but it can be said that progress in analysis of the problem by means of well-controlled experiments in the light of modern knowledge of nutritional science i...
متن کاملNutrition and fertility in dairy cows.
Introduction It is now widely recognised that reduced fertility in dairy herds is one of the most important factors affecting producer profitability. Roche (2006) has defined the effect of infertility on profitability as: (i) prolonged calving interval with fewer calves and less milk per cow; (ii) increased replacement costs; (iii) increased labour, semen and veterinary bills; and (iv) an exten...
متن کاملDivision S-4—soil Fertility & Plant Nutrition
cially if manure is surface-applied (Thompson et al., 1987). Conversely, denitrification losses of manure N Repeated N applications to field crops, either as inorganic fertilizers are increased by incorporation or injection (Comfort et or animal manures, can lead to N buildup in soils with potential longterm environmental hazards. The objective of this 3-yr field study al., 1988), and because o...
متن کاملSoil Fertility and Plant Nutrition in the Tropics and Subtropics
This book is published jointly by the International Potash Institute (IPI) and the International Fertilizer Industry Association (IFA). It discusses the possibilities and constraints to food production on the many different soil types found in tropical and subtropical countries. By indicating ways in which crop nutrition and hence crop production can be increased on these soils in developing co...
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ژورنال
عنوان ژورنال: British Journal of Nutrition
سال: 1949
ISSN: 0007-1145,1475-2662
DOI: 10.1079/bjn19490014