相关实验视频

Updated: Jun 22, 2026

Protocol for Assessing the Relative Effects of Environment and Genetics on Antler and Body Growth for a Long-lived Cervid
09:09

Protocol for Assessing the Relative Effects of Environment and Genetics on Antler and Body Growth for a Long-lived Cervid

Published on: August 8, 2017

7.9K

评估宾夕法尼亚州母猪场的生殖挑战和营养做法

Samantha R Yankocy1, Rachel E Walker2, Elizabeth A Hines1

  • 1Department of Animal Science, College of Agricultural Sciences, Pennsylvania State University, University Park, Pennsylvania, USA.

Translational animal science
|December 1, 2025
PubMed
概括

宾夕法尼亚州的猪肉生产商面临着不同的群体健康和生殖挑战,受农场管理和规模的影响. 了解维生素A和D水平的变化对于优化母猪营养和健康至关重要.

关键词:
健康的健康健康的健康.生殖生殖的繁殖.雷丁醇是一种可靠的药物.猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪猪维生素A是一种维生素A.维生素D是维生素D的重要组成部分.

更多相关视频

Providing Meaningful Environmental Enrichment and Measuring Saliva Cortisol in Pigs Housed on Slatted Flooring07:02

Providing Meaningful Environmental Enrichment and Measuring Saliva Cortisol in Pigs Housed on Slatted Flooring

Published on: September 30, 2019

7.6K
Transition of Farm Pigs to Research Pigs using a Designated Checklist followed by Initiation of Clicker Training - a Refinement Initiative07:59

Transition of Farm Pigs to Research Pigs using a Designated Checklist followed by Initiation of Clicker Training - a Refinement Initiative

Published on: August 21, 2021

6.1K

相关概念视频

Energy Budgets and Reproductive Strategies00:51

Energy Budgets and Reproductive Strategies

Organisms must balance energy intake with the energy required for growth, maintenance, and reproduction. These trade-offs result in a variety of survivorship and reproductive strategies, including semelparity and iteroparity. Semelparous species reproduce only once in their lifetime, often investing most available resources into that single reproductive event. Iteroparous species, by contrast, reproduce multiple times over their lifetimes, typically allocating fewer resources to any single...