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Titolo:
Maternal influences on litter size and growth in reciprocal crossed Miniature Pigs and Durocs
Autore:
Hardge, T; Koepke, K; Reissmann, M; Wimmers, K;
Indirizzi:
Humboldt Univ, Inst Nutr Wissensch, D-10115 Berlin, Germany Humboldt UnivBerlin Germany D-10115 Wissensch, D-10115 Berlin, Germany
Titolo Testata:
ARCHIV FUR TIERZUCHT-ARCHIVES OF ANIMAL BREEDING
fascicolo: 1, volume: 42, anno: 1999,
pagine: 83 - 92
SICI:
0003-9438(1999)42:1<83:MIOLSA>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
CARCASS TRAITS; BEEF-CATTLE; LANDRACE; SWINE;
Keywords:
pig; maternal effects; fertility; growth;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Hardge, T HumboldtyUniv, Inst Nutr Wissensch, Invalidenstr 42, D-10115 Berlin, German Humboldt Univ Invalidenstr 42 Berlin Germany D-10115 in, German
Citazione:
T. Hardge et al., "Maternal influences on litter size and growth in reciprocal crossed Miniature Pigs and Durocs", ARCH TIER, 42(1), 1999, pp. 83-92

Abstract

In order to demonstrate the potential power of maternal effects on litter size and growth in pigs a reciprocal cross of Berlin Miniature Pigs and Durocs was carried out. The average body weight of the Duroc darns (151 kg) was more than three times higher than the weight of the Miniature Pig dams (48 kg). A considerable maternal effect on fertility, estimated from reciprocal crossbred differences in the litter size of 3.5 piglets was found. The least squares means of birth weight were 1.18 kg and 0.75 kg for Fl animals born from Duroc dams and Miniature Pig dams, respectively. This maternal caused disadvantage in body weight of crossbred offspring from Miniature Pig darns is compensated in the interval from weaning to the 13th week of age. The end weight estimated by means of Gompertz and Bertalanffy growth functions showed only minor differences between the reciprocal crossed groups infavour of F1 born from Duroc dams: Our data suggest that the uterine capacity of the dam could play an important role in the fertility of extreme breed crosses. Concerning growth performance the milk yield of the sow and theinfluence of the birthweight of the piglets were discussed.

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Documento generato il 26/09/20 alle ore 11:25:16