| Lactation curves in captive Iberian red deer (Cervus elaphus hispanicus). | |
| | |
MedLine Citation:
|
PMID: 10641857 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
This study examines milk production and the effect of milk production and sex of calf on body weights and gains of red deer calves and hinds of the Iberian subspecies (Cervus elaphus hispanicus). Milk production was assessed in 14 hinds by weighing calves before and after suckling and by adjusting these values to the Gamma function. Gamma estimates of total milk production up to d 105 were similar to the amounts computed directly from double weighing. Hinds showed two types of lactation curve: 1) the standard mammal lactation curve, with an asymmetrical peak at wk 2 to 4 (Type I) and 2) decreasing curves with no peak (Type II). Although there was great interindividual variability, hinds with Type I curves showed a trend to produce more milk than those with Type II. The type of curve did not seem to affect weight variables of the calf or those of the dam. Calves that gained more weight consumed greater amounts of milk (P<.05). Males were heavier than females at birth (P<.05), but males did not differ from females in their weight at 105 d, milk consumption, and gain. Gender did not affect hind weight, but dams of male calves showed a trend to be lighter (P = .063) at d 105 than dams of female calves. Our results suggest that suckling differences found in other studies between male and female calves may not involve differences in milk production, although other rearing costs seem to affect hind weight losses. They also suggest that the curve type may not depend only, as reported, on the nutrition plane. |
| | |
Authors:
|
A García; T Landete-Castillejos; A Molina; B Albiñana; C Fernández; J Garde; L Gallego |
Related Documents
:
|
2099377 - Feeding acidified or sweet milk replacer to dairy calves. 680737 - The intake of nitrate, nitrite and volatile n-nitrosamines and the occurrence of volati... 10638797 - Effects of fasciola gigantica infection on growth and nutrient utilisation of buffalo c... 19684277 - Effect of breed composition on phenotypic residual feed intake and growth in angus, bra... 17500397 - Tongue erosions and diet cola. 16699107 - Effects of energy source on methionine utilization by growing steers. |
Publication Detail:
|
Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
|
Title: Journal of animal science Volume: 77 ISSN: 0021-8812 ISO Abbreviation: J. Anim. Sci. Publication Date: 1999 Dec |
Date Detail:
|
Created Date: 2000-02-10 Completed Date: 2000-02-10 Revised Date: 2006-11-15 |
Medline Journal Info:
|
Nlm Unique ID: 8003002 Medline TA: J Anim Sci Country: UNITED STATES |
Other Details:
|
Languages: eng Pagination: 3150-5 Citation Subset: IM |
Affiliation:
|
Departamento de Ciencia y Tecnología Agroforestal, ETSIA, Universidad de Castilla-La Mancha, Albacete, Spain. |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Animals Deer / physiology* Female Lactation* Male Weight Gain |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Influence of frame size and body condition score on performance of Brahman cattle.
Next Document: Impacts of increasing amounts of supplemental soybean meal on intake and digestion by beef steers an...