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Titolo:
Mammary gland growth in the lactating sow
Autore:
Hurley, WL;
Indirizzi:
Univ Illinois, Dept Anim Sci, Urbana, IL 61801 USA Univ Illinois Urbana IL USA 61801 is, Dept Anim Sci, Urbana, IL 61801 USA
Titolo Testata:
LIVESTOCK PRODUCTION SCIENCE
fascicolo: 1-2, volume: 70, anno: 2001,
pagine: 149 - 157
SICI:
0301-6226(200107)70:1-2<149:MGGITL>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
RECOMBINANT PORCINE SOMATOTROPIN; THRICE-DAILY MILKING; PIG WEANING WEIGHT; FIRST-LITTER SOWS; OVARIECTOMIZED GILTS; AMBIENT-TEMPERATURE; NURSING FREQUENCY; PROLACTIN; PERFORMANCE; SECRETION;
Keywords:
milk production; mammary gland; mammary growth; piglet; suckling;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
73
Recensione:
Indirizzi per estratti:
Indirizzo: Hurley, WL Univ Illinois, Dept Anim Sci, 1207 W Gregory Dr, Urbana, IL 61801 USA Univ Illinois 1207 W Gregory Dr Urbana IL USA 61801 L 61801 USA
Citazione:
W.L. Hurley, "Mammary gland growth in the lactating sow", LIVEST PROD, 70(1-2), 2001, pp. 149-157

Abstract

The short lactation period of the modern sow is critical for determining the success of piglet survival and growth. Increases in milk production during early lactation may result from increases in. secretory cell numbers, enhancement of functional differentiation of cells, or both mechanisms. The porcine mammary gland undergoes substantial growth during lactation. Mammarytissue wet weight can increase by more than 50% and total mammary gland DNA by 100% during a 21-day lactation. Postpartum mammary growth parallels the increase in milk production observed during lactation. Mammary growth during lactation is affected by litter size, dietary intake, and gland location, as well as by a number of other factors. A primary factor influencing postpartum mammary growth is removal of milk from the gland. A suckled mammary gland, in combination with the piglet that suckles it, form an interdependent growing unit. Mammary glands which are underdeveloped at parturition can still grow rapidly in response to suckling. The sow's mammary gland has tremendous potential for growth during early lactation. Approaches for enhancing mammary gland growth during early lactation offer substantial potential for enhancing milk yield and piglet growth. (C) 2001 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/09/20 alle ore 23:26:36