T/NAASS 011-2022 Active Group standards

T/NAASS 011-2022 Ningxia Scale Dairy Farm Backup Cow Cultivation Technical Specification

Publish Date: 2022-11-11 Implement Date: 2022-12-15 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/NAASS 011-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Animal husbandry and breeding

Publish Date: 2022-11-11

Implement Date: 2022-12-15

Scope

Scope: This document specifies the terminology and definitions for the rearing of reserve cattle in large-scale dairy farms in Ningxia, the evaluation of their growth and development, and the rearing objectives for reserve cattle. This document applies to the rearing of reserve cattle in large-scale dairy farms in Ningxia. Main Technical Content: 3. Terminology and Definitions The following terms and definitions apply to this document: 3.1 Body Height The vertical distance from the highest point of the cross section of an individual reserve cow to the ground, measured with a ruler. [Source: GB/T 3157-2008, 3.5, modified] 3.2 Body Length The distance from the front edge of the scapula to the rear edge of the ischial tuberosity in a reserve cow, measured with a ruler. [Source: GB/T 3157-2008, 3.7, modified] 3.3 Chest Girth The circumference of the chest measured at the rear corner of the shoulder blade (behind the elbow protrusion) in a reserve cow, using a tape measure or soft ruler. [Source: GB/T 3157-2008, 3.8, modified] 3.4 Body Weight The weight of a reserve cow measured by emptying the water and feed troughs the night before and weighing them on an empty stomach the next day. [Source: GB/T 3157-2008, 3.6, modified] 3.5 Reserve Cattle Includes newborn calves, suckling calves, weaned calves, and growing calves. 4. Evaluation of Reserve Cattle Growth and Development 4.1 Measurement Tools Livestock scales, rulers, and tape measures. 4.2 Frequency of Measurement Reserve cattle are measured once each at 1 day old, 2 months old, 6 months old, 8 months old, 10 months old, and 12 months old. 4.3 Evaluation Indicators Body weight, body height, chest girth, and body slant length are used to comprehensively evaluate the development of reserve cattle at each growth stage. 5. Rearing Objectives for Reserve Cattle 5.1 Newborn Cattle (1 Day Old) 5.1.1 Body Weight and Body Height 5.1.1.1 First-time calves should have a birth