Patterns of gray whale growth in body length and weight with age are evaluated using published values foetal post-natal dimensions at reported ages, supplemented previously unpublished measured lengths 88 mid-gestation foetuses, 82 first-summer calves 30 secondsummer whales taken the summer/autumn Chukotkan native subsistence fishery. Gompertz models fitted to age, predicting mean birth mid-Jan...

The aim of this study was to evaluate the influence weaning and concentrate supplementation on characteristics carcass cuts longissimus muscle Suffolk lambs finished a Tifton 85 (Cynodon spp.) pasture. Weaning strategies were evaluated in four finishing systems: i) non-weaned non-supplemented lambs; ii) supplemented with creep feeding; iii) weaned iv) concentrate. In systems weaning, at 46 ± 6 ...

Objectives Weaning is a key life history milestone for mammals that represents both the end of nutritional investment from perspective mothers and start complete independence infants. The age at weaning may vary depending on ecological, social, demographic factors experienced by mother infant. Bwindi mountain gorillas live in different environmental conditions have longer interbirth intervals t...

The present work is associated with dietary reconstruction using δ13C and δ15N analysis of humans from the site of Sidon, a Middle Bronze Age (2000BC-1550BC) settlement in Lebanon. The main objective of this research is to focus on collagen extraction of 23 individual bones, discovered in a cemetery, College site (season 2001-2002) in ancient Sidon. Collagen could only be extracted from the 8 a...

The objective was to merge science and practice determine the feasibility of a mixed suckling milking system compared with traditional exclusive management on production performance dairy sheep their progeny in an outdoor pasture-based farming at commercial scale. At 14 d postpartum, twin- triplet-bearing mixed-age East Friesian ewes were randomly allocated either once-a-day milking,suckling ea...

Exclusive breastfeeding provides optimal nutrition for infants until they are six months of age. After six months, infants require complementary foods to meet their nutritional needs. This is when weaning begins. Weaning is the gradual process of introducing complementary foods to an infant's diet while continuing to breastfeed. There is no universally accepted or scientifically proven time whe...

Studies were conducted to evaluate the effect of early weaning steer calves on BW gain, feedlot performance, and carcass characteristics in two herds located in the Northern Great Plains, USA. Steer calves from predominantly Angus Hereford dams were stratified within dam age and calving date (Fort Keogh Livestock and Range Research Laboratory (LARRL), Miles City, MT, USA; n1⁄4354) and randomly ...

Two trials involving a total of 56 pigs were conducted to examine the effects of weaning at 7 d of age (trial 1) and of energy intake level and length of post-weaning underfeeding period (trial 2) on small intestinal (SI) development and morphometry. At 3 d after weaning, weight of the SI and mucosa (g/kg body weight) and villous height along SI were reduced by 20, 36 and 41%, respectively, com...