Nutritional and environmental conditions influence broiler flock performance. Besides these factors, other less-well-understood factors, such as incubating egg characteristics, affect the embryonic life of chicks. This study demonstrated that egg storage depressed egg albumen Haugh units (HU) and chick quality; these effects of storage were greater in egg and chicks from old breeders. Absolute ...

Heterosis and combining ability for total number of eggs laid per female silkworm Bombyx mori L were investigated in a six parent diallel crossing programme in four rearing seasons. Magnitude of heterosis varied from seasons to season and was not consistent over characters. Effect of season was important in the expression of genetic variances and other parameters studied. Considerable amount to...

This paper examines how and to what extent parental rearing patterns influence the type of teenage teasing and its impact by making use of a Chinese version Egna Minnen Barndoms Uppfostran (EMBU). The participants include 582 adolescents in 7th-, 8th-, 9th-, 10th-, 11thand 12thgrades from 2 schools in 2 cities in Sichuan province, China. The results show that teasing of physical appearance and ...