Comparative Study of Colostrum and Milk Composition of Seven Breeds of Swine

Fahmy, M. H.

doi:10.4141/cjas72-073

Cited by 32 publications

(23 citation statements)

References 5 publications

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“…In contrast, however, Elsley et al (1969), Buitrago et al (197D, Frobish and Steel (1910) Miller et al (1971) and Fahmy (1972). The values for gross energy content are similar to those obtained by Fahmy (1912) and Siers et al (1976 Brooks and Davis (1969) and Elliott and Lodge (1911 For personal use only. Seerley et al (1974) and Elliott and Lodge (1917) …”

supporting

confidence: 78%

Effects of Sow Nutrition in Late Gestation on the Body Composition and Survival of the Neonatal Pig

Okai¹,

Aherne²,

Hardin³

1977

Can. J. Anim. Sci.

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supporting

confidence: 78%

Effects of Sow Nutrition in Late Gestation on the Body Composition and Survival of the Neonatal Pig

Okai¹,

Aherne²,

Hardin³

1977

Can. J. Anim. Sci.

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“…It was reported that sows from different breeds probably differ in the composition of their colostrum and milk (Fahmy 1972), yet very few studies have since been carried out to confirm this. The objectives of the present study were to establish whether there are differences in composition of colostrum and milk between sows from four genetic lines differing in body type and maternal abilities, and to determine if these are related to indices of metabolism in the circulation.…”

mentioning

confidence: 94%

“…This could have confounded results since O' Grady et al (1973) noted a great variation in milk protein content from one parity to the next, and Mahan (1998) also demonstrated an effect of parity on sow milk fat content. On the other hand, Fahmy (1972) noted that breeds that had higher levels of milk constituents generally lost more weight during lactation and had heavier litters at weaning. In the present study, the more maternal lines of sows (L and Y), which lost the most weight during lactation, also showed an advantage in terms of lactose content in colostrum.…”

mentioning

confidence: 99%

Influence of genotype on metabolic variables, colostrum and milk composition of primiparous sows

Farmer¹,

Charagu²,

Palin³

2007

Can. J. Anim. Sci.

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Farmer, C., Charagu, P. and Palin, M. F. 2007. Influence of genotype on metabolic variables, colostrum and milk composition of primiparous sows. Can. J. Anim. Sci. 87: 511-515. Composition of colostrum and milk in first-parity sows from four genetic lines, namely, synthetic Belgian Landrace/Pietrain (B), Duroc (D), Landrace (L) and Yorkshire (Y) were determined. Circulating concentrations of leptin, IGF-I, glucose and FFA were also measured in sows. Differences in colostrum and milk composition were observed between genotypes, but did not generally seem related to variables in blood. Colostrum and day-2 milk from D sows contained more protein (P < 0.05) and less lactose (P < 0.1) than that from sows of other genotypes. Results suggest that selection strategies to improve the composition of milk and colostrum of sows from European breeds could be a useful tool to increase their lactation potential.

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“…It is known that both the quantity of milk and its composition may limit the growth rate of the suckling piglet (Williams, 1995). Some differences in the nutrient composition of sow's milk according to breed have been reported (Fahmy, 1972;Zou et al, 1992), and therefore it may be that the IB sow would not be able to support the same sort of growth rates in her suckling piglets as the values observed in conventional or lean genotypes, due to a shortage in the provision of nutrients to the litter. Nevertheless, the hypothesis that the IB piglet would have a low capacity for body weight (BW) gain due to limitations in the metabolic use of nutrients or a limited protein accretion capacity cannot be ignored.…”

Section: Introductionmentioning

confidence: 99%

Production and composition of Iberian sow's milk and use of milk nutrients by the suckling Iberian piglet

Aguinaga

Gómez-Carballar²,

Nieto

et al. 2011

Animal

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Sixteen purebred Iberian (IB) sows were used in two consecutive trials to determine the efficiency of conversion of sow's milk into piglet body weight (BW) gain and the relationship between milk protein and body protein retention and between milk energy yield and body energy retention in the nursing IB piglet. In each trial, four sows were selected in order to evaluate their milk production, litter growth and nutrient balance measurements, together with four additional sows for milk sampling. Litter size was equalized to six piglets. Daily milk yield (MY) was determined weekly by the weigh-suckle-weigh technique over a 34-day lactation period. Piglets were weighed individually at birth and then weekly from day 5 of lactation. Milk samples were collected on days 5, 12, 19, 26 and 34 post partum. The comparative slaughter procedure was used to determine piglet nutrient and energy retention. One piglet from each litter was slaughtered at birth and four on the morning of day 35. Total MY was on average 5.175 6 0.157 kg/day. The average chemical composition (g/kg) of the milk was 179 6 4 dry matter, 53.4 6 1.0 CP, 58.5 6 3.8 fat, 10.4 6 0.3 ash and 56.9 6 2.3 lactose. Milk gross energy (GE) was 4.626 6 0.145 MJ/kg. Milk intake per piglet tended to increase in trial 2 (832 v. 893 g/day; P 5 0.066). Piglet BW gain contained (g/kg) 172.1 6 1.3 protein, 151.5 6 3.5 fat, 41.4 6 0.6 ash and 635 6 3 water and 10.127 6 0.126 MJ GE/kg. Throughout the 34-day nursing period, the piglets grew at an average rate of 168 6 3 g/day. The ratio of daily piglet BW gain to daily MY was 0.195 6 0.002 g/g and the gain per MJ milk GE intake was 41.9 6 0.5 g/MJ. The overall efficiency of protein accretion (g CP gain/g CP milk intake) was low and declined in trial 2 (0.619 v. 0.571; P 5 0.016). Nutrient and energy deposition between birth and weaning were 27.4 6 0.5 g/day protein, 24.2 6 0.8 g/day fat and 1615 6 40 kJ/day energy. Piglet energy requirements for maintenance were 404 kJ metabolizable energy (ME)/kg BW 0.75 . ME was used for growth with a net efficiency of 0.584. These results suggest that poor efficiency in the use of sow's milk nutrients rather than a shortage in milk nutrient supply might explain the low growth rate of the suckling IB piglet.Keywords: milk production, milk composition, Iberian piglets, protein and energy deposition, nutrient balance ImplicationsThis study suggests that growth rate in the suckling Iberian (IB) piglet is not limited by a shortage in milk nutrient supply but might rather be related to a very low efficiency in the use of milk protein and energy. In the young IB piglet, protein deposition is a costly process, presumably because of a high protein turnover rate, as found in later growth stages. The sharp decrease in milk conversion ratios detected during the last week of the study implies that a lactation period of more than 4 weeks is not to be recommended.

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Comparative Study of Colostrum and Milk Composition of Seven Breeds of Swine

Abstract: ABSTRACT

Cited by 32 publications

References 5 publications

Effects of Sow Nutrition in Late Gestation on the Body Composition and Survival of the Neonatal Pig

Effects of Sow Nutrition in Late Gestation on the Body Composition and Survival of the Neonatal Pig

Influence of genotype on metabolic variables, colostrum and milk composition of primiparous sows

Production and composition of Iberian sow's milk and use of milk nutrients by the suckling Iberian piglet

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