<b>Diurnal ingestive behavior of Holstein calves reared in different systems: feedlot or pasture
نویسندگان
چکیده
منابع مشابه
Productive performance of Holstein calves finished in feedlot or pasture.
The use of animals from dairy farms is an alternative to meat production since it provides an increment of total income for farmers. This study aims to evaluate the performance of Holstein calves finished in two feeding systems (feedlot or pasture). Forty-three animals with 58 days old and 57 kg were divided in two treatments: 23 animals finished in feedlot with corn silage plus concentrate bas...
متن کاملEffect of castration and dehorning singularly or combined on the behavior and physiology of Holstein calves.
The objectives of this study were to determine i) the effect of castration, dehorning, or both on the physiology and behavior of 3-mo-old Holstein calves, and ii) the effectiveness of pain relief to alleviate the pain caused by castration and/or dehorning. Holstein calves (n = 80) were assigned randomly to 1 of 8 treatments (10 calves/treatment): i) control handling (SHAM); ii) surgical castrat...
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The objective was to evaluate the ingestive behavior of crossbred heifers finished on a Brachiaria brizantha cv. Marandu pasture receiving four levels of glycerin in their supplementation. Thirty-six crossbred heifers with average initial weight of 264.83±3.83 kg and 20 months of age were distributed into a completely randomized design with four treatments and nine replications: control (0%), 4...
متن کاملThe Effect of Different Levels of Tannic Acid on some Performance Traits in Holstein Dairy Calves
The aim of this study was to evaluate the effect of inclusion of tannic acid on some performance traits and nutrient digestibility in Holstein dairy calves. A total of 20 seven days old Holstein calves were randomly assigned to 4 experimental treatments with 5 calves each. The treatments were as follows: 1) basal diet formulated to meet all nutritional requirement of calves according to NRC (20...
متن کاملQuality of Eggs and Hatching Traits in Two Slow-Growing Dual-Purpose Chicken Lines Reared Conventionally or on Pasture
The quality of eggs and the hatching traits of two slow-growing lines – La Belle (LB) and Bresse Gauloise (BB) reared under conventional or alternative system with pasture access were compared. The birds of both lines in the study were at the age of 27-37 weeks. Two-way ANOVA was used to assess the effect of the rearing system as well as the line on the quality characteristics of the eggs and h...
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ژورنال
عنوان ژورنال: Acta Scientiarum. Animal Sciences
سال: 2014
ISSN: 1807-8672,1806-2636
DOI: 10.4025/actascianimsci.v36i2.22653