Statistical analysis of variables for the livestock model.

NIAID Data Ecosystem2026-05-01 收录

畜牧业分析方法

统计变量分析

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Statistical analysis of variables for the livestock model.

创建时间：

2023-10-26

A simulation model to evaluate the economic consequences of insemination programs in dairy herds: timed artificial insemination and sex-sorted semen

繁殖策略评估

畜牧业分析方法

ABSTRACT The objective of this study was to develop a simulation model to analyse the technical, economic, and financial performance of using different reproductive strategies in dairy herds. Strategi

NIAID Data Ecosystem30

Cattle Cycles

畜牧业分析方法

牛群存栏预测

U.S. beef cattle stocks are among the most periodic time-series in economics. A theory of cattle cycles is constructed, based upon rational breeding stock inventory decisions in the presence of gestat

NBER1993-07-01 更新30

Zero-inflated negative binomial regression model for beef herds.

牛群繁殖

畜牧业分析方法

The (a) logistic and (b) negative binomial components of the zero-inflated negative binomial regression model predicting the likelihood of being a closed herd and the number of replacement breeding ca

Figshare2015-12-02 更新10

MULTIVARIATE APPROACH IN THE EVALUATION OF THE PRODUCTION AND COMPOSITION OF BUFFALO MILK IN NORDESTINE SEMIARID

水牛乳品质量评估

畜牧业分析方法

ABSTRACT The objective was to evaluate the production, chemical composition and hygienic -sanitary parameters of the milk of Murrah buffaloes raised in the northeastern semi-arid region. Data from 13,

NIAID Data Ecosystem30

A simulation model to evaluate the economic consequences of insemination programs in dairy herds: timed artificial insemination and sex-sorted semen

乳牛繁殖策略经济评估

畜牧业分析方法

Figshare2018-11-01 更新20