ANT214H5 Lecture Notes - Lecture 10: Breast Milk, Passive Immunity, Breastfeeding
Lecture 10: Cultural Ecology of Infant/Young Child Feeding
Wednesday, March 20, 2019
3:12 PM
Breastfeeding
o Complete food to meet needs of offspring
o Perfect food - adapted to specific nutrients requirements of offspring
• Antibodies + other substances
• Changes to meet infant need
o Colostrum = thin + water
• Proteins + antibodies = immunity (provides passive immunity to baby, since newborns IS not
fully developed)
• Comes in in the 1st 3 days
• Protect newborn digestive system
▪ Lay down gut microbioal for newborn??
• Fat content gradually increases
o 6 weeks = 0-6 weeks highest concentration of antibodies
o 3 months = fat content increases
• Baby starts bulking up to put on weight
o 6 months = omega acids high for brain dev
o Human milk isn't terribly rich in energy, ~4.5% fat
o 70 calories = 100 grams
• Vary through feeding + day
▪ w/in one feeding, calorie content might changed
o Designed to be consumed numerous times a day
• Ex in SA BF about 20 mins
• H/G 20-30 min, 45 min-1hr
• Mammals w/ energy rich milk nurse less
▪ Ex sea ? Have 60% fat
o Mower breast milk you feed = better health outcome for infant
• Scientific fact
Recommendations
o WHO, UNCIEF, HEALTH CANADA - # of recommendations
• Initiation of breastfeeding (BF) w/in 1st hr after birth
▪ 89% of mothers BF --> in 2012 (30 yrs or older + moms who have post secondary ed)
• In US, only 77% initiating BF, only 44% at 6 mths
• Norway, 95% BF rate, Aussies 92%
• Exclusive BF for 1st 6 mth
▪ Nothing else
▪ Only ~26% are still BF at that particular time
• Continued BF for 2+ yrs
• Complementary feeding 6th month
▪ Safe, nutritionally adequate, age appropriate foods
o Reasons for early weaning, supplementation, non-initiation?
• Bottle = easier
• Widespread production + marketing of formula
▪ Returning to work force
Document Summary
Lecture 10: cultural ecology of infant/young child feeding. Have 60% fat: mower breast milk you feed = better health outcome for infant. Recommendations: who, uncief, health canada - # of recommendations. Initiation of breastfeeding (bf) w/in 1st hr after birth: 89% of mothers bf --> in 2012 (30 yrs or older + moms who have post secondary ed) Safe, nutritionally adequate, age appropriate foods: reasons for early weaning, supplementation, non-initiation, bottle = easier, widespread production + marketing of formula, returning to work force, medication that might affect child. Lack of info on h/ bf successfully: usually past down from mom to daughter. Lack of support from partner: younger, less education + single = tended to not bf, age + means, cultural thing (pic of twins) Breast feeding: breast milk (bm) = complex nutritional fluid containing anti-bodies, enzymes, long chain fatty acids.
