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Evaluation of the impact of weaning food messages on infant feeding practices and child growth in rural Bangladesh.

In rural Bangladesh, a community-based weaning intervention used volunteers to teach complementary feeding to families of 62 breast-fed infants aged 6-12 mo. Over 5 mo, treatment children gained on average 0.46 SD (approximately 460 g) more in weight-for-age (WAZ) than the 55 control subjects, and were approximately 0.5 kg heavier at the final measure. The differences were statistically significant (P < 0.001). The percent median weight-for-age (WAPM) of treatment children held steady at 76% of the National Center for Health Statistics' reference, whereas the WAPM of control subjects dropped from 78% to 72%. The increase in percentage points of severe malnutrition (below -3 WAZ) was only 5% in the treatment group compared with 26% in the control subjects. Treatment children consumed a significantly greater percent of their energy and protein requirements from complementary foods than did control subjects. The affordable complementary foods consisted mainly of cereal porridge with oil and brown sugar. These findings suggest that educational interventions teaching families to feed hygienic, simple, cheap, energy-enriched complementary foods to breast-fed infants after 5-6 mo can improve child growth, even under impoverished conditions.

Bangladesh

Advances in cereal protein applications for infant and Young child nutrition.

BACKGROUND: The increasing use of plant-derived proteins in infant and young child nutrition necessitates tailored amino acid profiles, high digestibility and strict safety controls. Cereal proteins, such as rice, oat, maize, millet, barley, and wheat, are widely used in complementary foods but face intrinsic limitations, notably lysine and tryptophan deficits, antinutritional factors that reduce bioavailability, gluten immunogenicity in wheat/barley, and inorganic arsenic risks in rice. SCOPE AND APPROACH: This review synthesizes recent advances in processing and formulation strategies, including enzymatic hydrolysis, fermentation, germination, extrusion, cereal-legume complementation, and micronutrient fortification. Their impacts on digestibility, techno-functionality, iron and zinc bioavailability, and protein quality, including Protein Digestibility-Corrected Amino Acid Score (PDCAAS) and Digestible Indispensable Amino Acid Score (DIAAS) are critically reviewed using data from in vitro assays, product development, and clinical trials. KEY FINDINGS AND CONCLUSIONS: Processing and blending approaches can substantially improve protein digestibility, amino acid balance and micronutrient availability, and hydrolyzed rice protein holds clinical promise for cow's milk protein allergy (CMPA). However, most evidence is preclinical, reporting of protein quality is inconsistent, and industrial translation is constrained by sensory, shelf-life, contaminant and cost issues. We recommend standardized DIAAS-based reporting, large-scale feeding trials, sensory /stability optimization, and targeted exploration of underutilized grains (e.g., oat, millet) with active allergen monitoring. Prioritizing amino acid-focused formulation coupled with strategies to enhance micronutrient bioavailability will accelerate safe adoption of cereal proteins in early-life nutrition.

Humans

Do child feeding practices change due to diarrhoea in the Central Peruvian Highlands?

This study assessed feeding practices in relation to diarrhoea among 2,599 children, aged 0-3 years, in the highlands of central Peru. A high prevalence of diarrhoea was observed, with 18% of the children ill with diarrhoea the preceding day. With few exceptions, the presence of diarrhoea did not alter the types of foods actually offered to young children. Caretakers, however, reported that children with diarrhoea should be given different foods. Appetite for breastmilk was reported by mothers to remain normal for children with diarrhoea; however, appetite for nonhuman milk and solid food was reported to decrease substantially. Since data on amounts of food consumed were not collected, whether the total nutrient intake was reduced due to decreases in amounts of food consumed can not be determined from this study. The major findings are that although mothers report reducing the types of foods offered to their sick infants, in actuality the types of foods offered vary little during illness. However, because mothers are quite concerned about the lack of appetite among young children, they may be particularly amenable to changing feeding practices following diarrhoea episodes. The promotion of improved complementary foods and feeding practices during and after diarrhoea may be an ideal method by which to improve weaning practices in Peru.

Appetite

Weaning practices in deprived environments: the weaning dilemma.

The weaning process varies widely among different cultures as to when the practice is initiated and terminated; in the variety, quality, and quantity of the weaning foods; and in the manner in which the endogenous food is provided. The variations in practices range from providing a food source even before the first breast-feeding to feeding nothing but breast milk for as long as 9 to 12 months, and include feeding from a cupped hand to use of a modern feeding bottle. The advice often given healthy mothers is to breast-feed for as long as possible and compatible with life-style. Most often, when breast-feeding is prolonged, the practice is to provide some complementary food from the early postpartum months onward. However, among some poor traditional societies and in deprived environments, this food may be limited and monotonous in flavor and texture. The monotony of the diet may act synergistically with the consequences of repeated infectious morbidity, and result in chronically depressed appetite and limited acceptance of additional food in quantity and variety at the time when this becomes critical for meeting the nutritional needs of the growing infant. The serious malnutrition prevalent in the 1 to 3 year olds in many deprived environments may have its antecedent etiology in the complementary feeding practices established in the first year of life. Effective interventions to reverse growth faltering of infants reared in deprived environments where breast-feeding is prolonged may require increased attention to providing variety in the weaning diet from at least 4 months onward.

Age Factors

Breast feeding and the dietary habits of children in rural Somalia.

Breast feeding and dietary habits were studied prospectively in a cohort of children under the age of five years in a rural Somali community. The median duration of breast feeding was 19.5 months. However, all the children also received cow's milk by cup from the first day of life and onwards. Energy supplements (mainly sugar and oil) as well as additional water were given daily from early infancy. Staples, protein-rich foods (beans and meat), vegetables and fruits were usually introduced when the children reached the age of 12-18 months. There was a seasonal variation with the lowest intake of protein-rich and vitamin-rich foods during the rains in May to June. Thus, there was a complete absence of exclusive breast feeding. Energy-reinforced cow's milk and human milk dominated the diet up to the age of one year. Staples were mixed with oil and supplemented with milk, thereby leading to a much higher energy density in the complementary food than is usually the case in African communities.

Breast Feeding

Intake of fluoride and excretion in mothers' milk in a high fluoride (9 ppm) area in Kenya.

In 27 nursing mothers a study was made on breast milk fluoride (F) levels and the 24-h intake of F through foods and beverages. The daily F intake averaged 22.1 mg (range 9.5-37.2 mg); cooked food contributed 11.7 mg, water 4.5 mg and tea 5.8 mg. The breast milk F concentration averaged 0.033 mg/l (range 0.011-0.073 mg/l). No significant correlation could be established between the milk F level and the intake of F. The milk F level was, however, correlated positively to mothers' age and negatively to mothers' weight. It is concluded that the milk fluoride level was only moderately increased by the high intake of F, and that the children's intake of F through mothers' milk was negligible compared to the very high F intake through complementary foods and beverages.

Adult

Human milk feeding.

This article examines the factors to be considered in providing optimal nutritional care to the infant fed human milk. These factors include the nutrient and non-nutrient composition of human milk, nutrient requirements of full-term and premature infants, the timing and need for supplementary or complementary foods, and the role of milk-based formulas.

Adult

Growth patterns of breast-fed infants in affluent (United States) and poor (Peru) communities: implications for timing of complementary feeding.

We compared growth, dietary intake, and morbidity of infants breast-fed for > or = 12 mo from two populations: Davis, CA (n = 46) and Huascar, Peru (n = 52). When compared against WHO reference data (based primarily on formula-fed infants), Huascar infants appeared to falter as early as 3-4 mo, but when compared with Davis breast-fed infants, the curves for weight and length were very similar in girls until 10-12 mo and in boys until 6-9 mo. Thereafter, Huascar infants grew less rapidly than did Davis infants. Breast milk intake was very similar between groups, but in Huascar the amount and nutrient density of complementary foods consumed after 6 mo were lower and morbidity rates were much higher than in Davis. These results indicate that growth faltering of Huascar infants, when judged against breast-fed infants in the United States, occurs primarily after the first 6 mo of life and is not due to poor lactation performance.

Animals

Long-Term Weight Trajectories in Infants Receiving Prolonged Breastfeeding: Impact of Formula Supplementation.

OBJECTIVE: This study compared weight trajectories in infants breastfed for at least 1 year, with or without formula supplementation. STUDY DESIGN: A retrospective cohort of 252 infants followed in well-baby clinics. All infants were breastfed &#x2265;12 months and received complementary foods at 4-6 months. Of these, 174 received no formula, and 78 received daily formula supplementation. Anthropometric data were collected from birth to 5 years of age. RESULTS: Among males, those breastfed without formula had significantly lower body weight between 13 and 18 months compared with those receiving formula (10.20 kg vs. 10.97 kg, p < 0.001). From 19 months onward, no significant weight differences were observed and trajectories converged through 5 years. CONCLUSION: Prolonged breastfeeding in male infants is associated with lower weight in early toddlerhood; however, differences resolve by age two. These findings suggest early variations may represent physiological patterns. Further controlled studies are needed.

Humans

[A new milk formula: iron bioavailability and effect on prevention of iron deficiency in infants].

Iron bioavailability from a modified cow milk, formula (LPM) (which included additional iron as 5 mg/l ferrous sulfate and ascorbic acid, 50 mg/l) was examined in 11 adult women using the extrinsic radioactive tag method. The geometric mean absorption from LPM was 13% (reference dose absorption = 26%). The effect of this formula on iron nutrition of infants was studied in 43 healthy term infants weaned spontaneously before 3 months of age which were given LPM until 9 months of age. Another 45 infants (controls) were fed full fat, non fortified powdered cow's milk (LP) as delivered through the National Complementary Food Program (PNAC-Chile) and additional 45 infants were given fortified a cow's milk formula (LF) with ferrous sulfate (iron: 15 mg/l and ascorbic acid: 100 mg/l). Solid foods (vegetables and meat) were introduced to all these babies from age 4 months. At 9 months of age 4% infants fed LPM had evidence of anemia vs. 2% and 20% of infants given LF and LP formulae respectively. This results suggests that LPM is effective in preventing iron deficiency anemia in infants.

Adult

[Health care personnel's opinion on the breast-feeding pattern in the Mexican rural area].

This paper surveys the health care personnel's knowledge and opinion about the physiology of the mother milk production and the issues that occur when it is stopped at an earlier moment. From an inquire carried out in 1984 on 155 doctors and nurses and 48 midwives that render their services to the rural population of Mexico, it was found that the majority of the health care personnel recognized breast-feeding as the best nurture for the child. Nevertheless, this personnel is against having a long breast-feeding period. More than half of the doctors and nurses commented that the breast-feeding period must be stopped when the child has diarrhea, which is contrary to the international health agencies opinion. The majority of the health care personnel recommends the introduction of complementary food to children under three months old and suggests a quick stop of the breast-feeding period. From these data it is shown that the health care personnel has little knowledge about the breast-feeding role as an element that increases the period of amenorrhea and its value as a natural contraceptive. The relation between breast-feeding and amenorrhea and infertility is inaccurate, that is why it is concluded that it is necessary to have training for the health care personnel in some physiological aspects of breast-feeding that are of prime importance. If the health care personnel has a better knowledge about breast-feeding, these influencing agents to decrease the incidence and value of breast-feeding will turn into strong promoters of such a healthy practice.

Amenorrhea

The human weaning process.

The weaning process in relation to the nutritional adequacy of human lactation is reviewed. Current trends in breast-feeding, both in industrialized countries and the developing world, are considered, as well as associated changes in weaning practices. Consideration is also given to infant growth patterns in the Western world and how these are being influenced by current dietary practices. The nutritional requirements of babies during the first year of life are discussed, and recent concepts indicating that current estimates might be in excess of physiologic needs are introduced. These theories are of fundamental practical importance in terms of defining the length of time that exclusive breast-feeding remains adequate and determining when the introduction of complementary foods becomes necessary on nutritional grounds. It is emphasized that the weaning process is naturally a lengthy one, lasting many months rather than a few weeks, and that the provision of additional foods need not inhibit a mother's capacity for lactation as long as these feeds are administered in the correct fashion.

Breast Feeding

The Fifth World Food Survey: an assessment of food supplies and malnutrition.

The methodology and findings of the United Nations Food and Agriculture Organization's Fifth World Food Survey are reviewed. Data compiled from national food balance sheets indicate that per capita energy supplies increased by 14% during the past two decades. The number of undernourished is estimated for the periods 1969 to 1971 and 1979 to 1981 on the basis of a distribution of population food intakes and two alternative estimates of minimal energy requirements. The survey findings indicate that the proportion of undernourished in the developing market economies decreased, although an estimated 335 million to 494 million people fall in this category. In the least developed countries, the proportion of undernourished increased during this period. Elimination of poverty, the fundamental cause of malnutrition, through increased economic and agricultural development, is regarded as the only long-term solution to malnutrition. Short-term solutions are also needed to address interim needs and the diverse environmental, social, and cultural factors implicated in the causation of malnutrition. Short-term solutions include nutrition programs, complementary health measures, food subsidies, population programs, and programs aimed at improving the status of women. Projected future food needs in developing countries also indicate the need for increased international food trade and expanded foreign aid.

Developing Countries

Allergy consultation in the management of atopic dermatitis.

Allergists and dermatologists both care for patients with atopic dermatitis, and their roles may be complementary. Questions regarding food allergy, aeroallergens, and the interpretation of skin and RAST testing are answered by an allergist.

Allergens

[The interrelationships of motivation and reinforcement in the performance of a simple instrumental reflex by the monkey].

The dynamics of instrumental reflex of rhesus monkey was studied in automatic experiment. Three monkeys performed a movement of the lever in response to the light stimulus. It was shown, that the realization of the instrumental reflex by monkeys represented blocks of continuous or interrupted realizations and pauses between them. The dependence was studied of intensity of performance upon the time from the beginning of the experiment, and a comparison was drawn of intensities for three monkeys. The average intensity in block is constant and individual for each monkey. Also the influence of food deprivation and complementary reinforcement on the monkey's performance was studied.

Animals

Principles, objectives and methods for the control of the gastro-intestinal parasites of pigs in France.

Parasitic levels are considered in relation to the size of farms and according to the application of anthelminitic programmes and the age groups of the animals. The most common and important parasites in France against which systematic control measures should be taken are Oesophagostomum, Ascaris and Hyostrongylus in pregnant sows, and Oesophagostomum and Ascaris in piglets at weaning and fattening pigs. Strongyloides and Trichuris are found occasionally but could be sometimes important (Mestastrongylus is anexceptional finding). As regards the use of anthelmintics, emphasis is placed on treatment of sows at parturition, or of piglets on transfer to the growing units, with two treatments being given at an interval of 14-21 days. Continuous administration in the food is a complementary solution. Specific treatments for the control of Trichuris and Strongyloides are also examined. In the control of parasites the strict observation of the rules of hygiene is also very effective.

Age Factors

Spectrophotometric determination of cyclamate in soft drinks and desserts: complementary collaborative study.

Fifteen official food control laboratories participated in a collaborative study of a spectrophotometric method to determine cyclamate in a soft drink and a dessert at concentrations of 90-311 mg/L and 202-526 mg/kg, respectively, with blind duplicates and a blank. Average recovery from the soft drink was 97.5%, and from the dessert, 98.6%. Reproducibility relative standard deviations were 4.7-6.5% and 6.9-8.5%, respectively. The outlier percentage was 5.5%. This study complements an earlier work by leading Nordic food laboratories and was designed according to the latest recommendations. The results of this study were compared with those of the earlier collaborative study and with general collaborative results obtained by AOAC.

Beverages

Complementary feeding patterns in preterm and term infants.

Complementary feeding is essential for infants' nutritional status and development, marking the transition to solid foods when breast milk or formula alone is insufficient. Despite its importance, clear recommendations on which foods to introduce when initiating complementary feeding in preterm infants are lacking. By using data from our previously published randomized controlled trial on the timing of complementary feeding in preterm infants, the current study explores the complementary feeding patterns of preterm infants and compares them with those of term-born infants, providing insights into parental decision-making and potential long-term health impacts. Complementary feeding practices differed significantly between preterm (n&#x202f;=&#x202f;255) and term (n&#x202f;=&#x202f;159) infants, with preterm infants more often receiving vegetables as their first solid food (85.4% versus 68.8%, difference 17.6% with 95% CI 12-35%). The group with early introduction of vegetables had a lower BMI-for-age z-scores (&#x3b2; -0.28 [95% CI -0.55 - 0.02]) and weight-for-height z-scores (&#x3b2; -0.27 [95% CI -0.53 to -0.01]) at two years of age. Additionally, preterm infants showed a greater variety in the numbers of different fruits and vegetables consumed by six months (corrected) age than term-born counterparts (8.29 (SD 3.65) versus 6.26 (SD 3.47), p&#x202f;<&#x202f;0.001). These results indicate that complementary feeding patterns in preterm infants differ from term-born infants, with potential positive implications on growth. These data contribute to the development of accurate feeding protocols for preterm infants. Given that feeding practices are culturally influenced, further multinational research is essential to refine complementary feeding guidelines for preterm infants and support caregivers in informed decision-making.

Humans