Tag Archives: compost-bedded pack barns

xxx B. Yameogo, R.R. Andrade, C.G.S. Teles Júnior, G.S. Laud, V. Becciolini, L. Leso, G. Rossi and M. Barbari
Behavioural patterns of cows housed in two different typologies of compost-bedded pack barns
Abstract |

Behavioural patterns of cows housed in two different typologies of compost-bedded pack barns

B. Yameogo¹, R.R. Andrade², C.G.S. Teles Júnior³, G.S. Laud⁴, V. Becciolini¹, L. Leso¹, G. Rossi¹ and M. Barbari¹*

¹University of Florence, Department of Agriculture, Food, Environment and Forestry, Via San Bonaventura, 13, IT50145 Firenze, Italy
²Federal University of Viçosa, Department of Agricultural Engineering, Av. Peter Henry Rolfs, s/n Campus University of Viçosa, BR 36570-900, Viçosa, Minas Gerais, Brazil
³Federal Rural University of the Amazon, Institute of Agricultural Sciences, Av. Perimetral, Terra Firme, BR 66077830, Belém, Pará, Brazil
⁴Federal University of Viçosa, Department of Animal Science, Av. Peter Henry Rolfs, s/n Campus University of Viçosa, BR 36570-900, Viçosa, Minas Gerais, Brazil
*Correspondence: matteo.barbari@unifi.it

Abstract:

The compost-bedded pack barn (CBP) is an innovative housing technique which has the improvement of animal welfare as main objective. A comparative study of the behaviour of Holstein-Friesian dairy cows housed in two different compost-bedded pack barns located in the State of Minas Gerais (Brazil) was carried out during the winter season. One barn (CBP A) is closed and applies a wind tunnel ventilation (negative pressure). A second barn (CBP B) is open with natural ventilation, without curtains on the sides, and has fans placed in the resting area. Infrared video cameras were installed in the two barns to allow continuous and simultaneous monitoring of cows’ behaviour. Air temperature and relative humidity inside the barns were monitored continuously and Temperature-Humidity Index was consequently calculated. The results show that the cows housed in the closed barn, with forced ventilation (CBP A), were in good thermal conditions, which were fairly constant, while in the open barn (CBP B) the internal microclimatic conditions were more subject to outside climatic conditions. A close relationship was found between the trend of air temperature and relative humidity inside the facilities and the behaviour of the cows. The number of cows at rest, in CBP B, decreased as the THI value rose. In CBP A, the behaviour of the cows in relation to THI was much more constant.

Key words:

, , ,




574–581 L. Leso, P. Pellegrini and M. Barbari
Effect of two housing systems on performance and longevity of dairy cows in Northern Italy
Abstract |
Full text PDF (603 KB)

Effect of two housing systems on performance and longevity of dairy cows in Northern Italy

L. Leso, P. Pellegrini and M. Barbari*

University of Florence, Department of Agriculture, Food, Environment and Forestry, Via San Bonaventura, 13. IT50145 Firenze, Italy
*Correspondence: matteo.barbari@unifi.it

Abstract:

The objective of the current study was to evaluate and compare performance of dairy cows housed in compost-bedded pack barns (CBP) and free stall barns, with a focus on longevity-related parameters. Study included 30 commercial dairy farms located in the Po Valley, Italy. Twenty farms had free stall barns, among which 10 used rubber mattresses (FSM) and 10 used deep straw bedding (FSS). The remaining 10 farms had CBP. Monthly dairy herd records were obtained from the Italian DHI association for each farm included in the study over a period of one year. All farms were visited to measure characteristics and dimensions of housing facilities. Linear mixed models were used to evaluate the association between housing system and the outcome variables. In CBP total available area was larger than both in FSM and FSS. However, space per cow over the bedded pack area in CBP (6.8 ± 2.4 m2 cow-1) was relatively low for this housing system. Milk production was similar among housing systems but somatic cell count and mastitis infection prevalence resulted to be higher in CBP than in FSM and FSS. Calving interval was lower in FSS compared with both FSM and CBP while no differences were found in number of services per pregnancy. Cows housed in CBP were older and had higher parities than those in FSM and FSS while no significant differences in herd turnover rate were detected among housing systems. Results confirm that CBP housing system may improve longevity of dairy cows, which is reported to be one of the most important motivations for building this kind of housing. Nevertheless, CBP housing can pose some challenges in achieving adequate udder health and high milk quality, especially with low space per cow.

Key words:

, , , ,