Animal welfare indicators in dairy cows in a silvopastoril system of the high Colombian tropic

被引:0
|
作者
Zuniga Lopez, Aldemar [1 ]
Rodriguez Serrano, Andres Camilo [2 ]
Benavides Cruz, Juan Carlos [1 ]
Medrano Galarza, Catalina [1 ]
Garcia Castro, Fredy Enrique [1 ]
机构
[1] Corporac Colombiana Invest Agr AGROSAVIA, Bogota, Colombia
[2] Univ Autonoma, Dept Zootecnia, Posgrad Prod Anim, Chapingo, Mexico
来源
REVISTA DE INVESTIGACIONES VETERINARIAS DEL PERU | 2020年 / 31卷 / 04期
关键词
Haematobia irritans; silvopastoral; animal welfare; comfort; HAEMATOBIA-IRRITANS; CATTLE; PERFORMANCE; DYNAMICS; MUSCIDAE; BEHAVIOR; HEIFERS; DIPTERA; FLY;
D O I
10.15381/rivep.v31i4.16871
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
In the municipality of Saboya, Boyaca, Colombia, the number of Haematobia irritans flies, coat temperature, respiratory rate, motor activity, flight distance, level of dirt and occurrence of subclinical mastitis were evaluated as indicators of animal welfare in Holstein cows reared in a silvopastoral system (association of Cenchrus clandestinus and Alnus acuminata) and a traditional system based on grazing C. clandestinus in monoculture. Monthly samplings were carried out between August 2015 and May 2016 in 20-30 lactating cows selected at random in each farm. The data were analyzed using generalized linear regression models. The number of flies per animal was higher (p<0.05) in the traditional system compared to the silvopastoral system (56 +/- 47.5 and 44 +/- 40.0 flies/animal, respectively); the average coat temperature in the animals of the traditional system was 37.4 degrees C, while 33.8 degrees C in the silvopastoral system (p<0.05). There were no differences in respiratory rate. Cows had higher feed intake during the first hours of the day in both systems. The creepage distance and level of dirt were lower in the silvopastoral system (p<0.05), while the percentages of subclinical mastitis were similar between the two systems. Silvopastoral systems favour the expression of animal welfare indicators due to the presence of trees in paddocks, which offer diversification of the ecosystem and generate better conditions for the permanence of cows in grazing.
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页数:10
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