不同体况和饲喂水平下毛羊繁殖性能的研究

IF 0.7 4区农林科学 Q3 AGRICULTURE, MULTIDISCIPLINARY

Pesquisa Agropecuaria Brasileira Pub Date : 2023-05-19 DOI:10.1590/s1678-3921.pab2023.v58.03092

J. González-Maldonado, Olga Tejeda-Sartorius, Anayansi Ivette Ramírez-Ramírez, J. Gallegos-Sánchez

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引用次数: 0

摘要

摘要本试验旨在探讨饲粮水平(FL)与体况评分(BCS)互作对佩利布伊毛羊(Ovis aries)繁殖参数的影响。试验单位(64只母羊)随机分为4组:低饲粮和低体况评分处理;饲喂水平高，体况评分低;摄食水平低，体况评分高;饲喂水平高，体况评分高。绵羊体况评分对妊娠率和产羔率有显著影响。饲喂水平对排卵率、发情率、妊娠率和繁殖率均有显著影响。BCS与FL的交互作用对排卵率、发情率、妊娠率、产羔率和繁殖率均有显著影响。体况评分低的绵羊生殖功能对营养效果较好更为敏感。

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Reproductive performance of hair sheep under different body conditions and feeding levels

Abstract The objective of this work was to evaluate the effect of the interaction between feeding level (FL) and body condition score (BCS) on the reproductive parameters of Pelibuey hair sheep (Ovis aries). The experimental units (64 ewes) were randomly assigned to one of four treatments: low feeding level and low body condition score; high feeding level and low body condition score; low feeding level and high body condition score; and high feeding level and high body condition score. The effect of sheep body condition score was significant on the pregnancy and lambing rates. The effect of feeding level was significant on the ovulation, estrus returning, pregnancy, and prolificacy rates. The interaction effect between BCS and FL was significant on the ovulation, estrus returning, pregnancy, lambing, and prolificacy rates. The reproductive function is more sensitive to the better nutrition effects in sheep with a low body condition score.

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来源期刊

Pesquisa Agropecuaria Brasileira 农林科学-农业综合

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

9-18 weeks

期刊介绍： Pesquisa Agropecuária Brasileira – PAB – is issued monthly by Empresa Brasileira de Pesquisa Agropecuária – EMBRAPA, affiliated to Ministry of Agriculture, Livestock and Food Supply. PAB publishes original scientific-technological articles on Plant Physiology, Plant Pathology, Crop Science, Genetics, Soil Science, Food Technology and Animal Science. Its abbreviated title is Pesq. agropec. bras., and it should be used in bibliographies, footnotes, references and bibliographic strips.