Results 261 to 270 of about 12,286,981 (307)
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Effects of rumen-protected folic acid and rumen-protected sodium selenite supplementation on lactation performance, nutrient digestion, ruminal fermentation and blood metabolites in dairy cows.

The Journal of the Science of Food and Agriculture, 2019
BACKGROUND Considering the insufficient ruminal synthesis of folic acid (FA), the higher degradability of FA, and the reduction of sodium selenite (SS) by ruminal microbes into non-absorbable elemental Se, this study evaluated the effects of rumen ...
H. Du   +9 more
semanticscholar   +1 more source

Effects of dietary lysophospholipid complex supplementation on lactation performance, and nutrient digestibility in lactating sows

Animal Feed Science and Technology, 2019
This study was conducted to investigate the effects of dietary lysophospholipid complex (LPL; Lipidol; EasyBio, Inc., Korea) on lactation performance, production of immunoglobulins, and nutrients digestibility in lactating sows. Forty sows (Large White × 
Q.-Q. Wang   +5 more
semanticscholar   +1 more source

Maternal Nutrition and Lactation Performance

Journal of Tropical Pediatrics, 1972
Prolonged breastfeeding has been reported to protect the child from grossly defective weaning foods used in most developing countries. Even grossly malnourished mothers have been known to produced enough milk to keep their children alive. Hytten and Thompson reported that there is no evidence that maternal nutrition affect lactation.
M. M. HANAFY   +4 more
openaire   +1 more source

Assessment of Lactation Performance in Women

1986
Successful reproduction in animals requires an adequate supply of food for the young to grow and develop into an adult. In many species of birds and reptiles, the adults can thrive in environments which lack suitable foods for their young. Thus vertebrates which bring food to the nest can only breed successfully if they can find sufficient quantities ...
P. E. Hartmann, P. G. Arthur
openaire   +1 more source

A note on the lactation performance of twin-bearing cows

Journal of Dairy Research, 1983
SummarySeven pairs of cows were chosen at parturition. In each pair, 1 member had had a twin pregnancy (T) and the other was a comparable cow with a single calf pregnancy (S). All cows were offered the same amount of feed over the first 28 weeks of lactation. In early lactation, intakes were equal; in mid-lactation the T group ate more.
W H, Broster, A J, Clements, R E, Hill
openaire   +2 more sources

Lactate exchange and removal abilities in rowing performance

Medicine &amp Science in Sports &amp Exercise, 1997
The relationships between individual performance and lactate exchange and removal abilities were studies in 12 male rowers all subjected to three measurements on a rowing ergometer. An incremental exercise carried out to determine the maximal oxygen uptake (VO2max) and the corresponding maximal aerobic power (Pamax), a 2500-m all-out test where the ...
L, Messonnier   +4 more
openaire   +2 more sources

Maximal lactate-steady-state independent of performance

Medicine & Science in Sports & Exercise, 2000
The maximal lactate steady state (MLSS) corresponds to the highest workload that can be maintained over time without a continual blood lactate accumulation. MLSS and MLSS intensity have been speculated to depend on performance. Experimental proof of this hypothesis is missing.33 male subjects (age: 23.7 +/- 5.5 yr, height: 181.2 +/- 5.3 cm, body mass ...
R, Beneke, M, Hütler, R M, Leithäuser
openaire   +2 more sources

Subjective Assessment of Lactational Performance in Gambian Mothers

Journal of Tropical Pediatrics, 1985
This study examines the ability of a group of breastfeeding Gambian mothers to assess their own lactational performance. 113 mothers at different stages of lactation entered the study. They were all already participating in a longer ongoing study of lactation with regular monthly estimations of their breast milk outputs by test weighing.
M, Watkinson, A M, Watkinson, F, Foord
openaire   +2 more sources

Effects of L‐citrulline supplementation on heat stress physiology, lactation performance and subsequent reproductive performance of sows in summer

Journal of animal physiology and animal nutrition, 2018
Lactating sows are susceptible to heat stress (HS). Part of the thermoregulatory response to HS is to increase peripheral blood flow, which is mediated in part by the vasodilator, nitric oxide (NO).
Fan Liu   +8 more
semanticscholar   +1 more source

Lactational Performance and Milk Composition in Relation to Duration of Pregnancy and Lactation

1986
The dynamic changes that occur in milk composition associated with duration of lactation have been recognized for over a century as documented in several early publications some dating back to 1874 (1–3). In the mid 1900s Macy (4) reviewed 1500 publications on milk composition from many countries and selected 268 papers based on “the characteristics of
Stephanie A. Atkinson, Karyn J. Kaufman
openaire   +1 more source

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